Home / 25,589.52-38,384.28-9,996.21

Finding the Fourth Proportional to 25,589.52, 38,384.28 and 9,996.21

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Solution

The fourth proportional to 25,589.52, 38,384.28 and 9,996.21 is: 14,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.52 : 38,384.28 = 9,996.21 : x
  2. Step 2: Convert to fraction form
    25,589.52/38,384.28 = 9,996.21/x
  3. Step 3: Cross multiply
    25,589.52x = 38,384.28 × 9,996.21
  4. Step 4: Simplify right side
    25,589.52x = 383,697,323.58
  5. Step 5: Solve for x
    x = 383,697,323.58/25,589.52
  6. Step 6: Final answer
    x = 14,994.32

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Half scale
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Double scale
Find fourth proportional to 25,590.52, 38,385.78 and 9,997.21
Similar ratio
Find fourth proportional to 38,384.28, 57,576.42 and 14,994.32
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.