Home / 25,853.76-38,776.41-9,211.32

Finding the Fourth Proportional to 25,853.76, 38,776.41 and 9,211.32

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Solution

The fourth proportional to 25,853.76, 38,776.41 and 9,211.32 is: 13,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.76 : 38,776.41 = 9,211.32 : x
  2. Step 2: Convert to fraction form
    25,853.76/38,776.41 = 9,211.32/x
  3. Step 3: Cross multiply
    25,853.76x = 38,776.41 × 9,211.32
  4. Step 4: Simplify right side
    25,853.76x = 357,181,920.96
  5. Step 5: Solve for x
    x = 357,181,920.96/25,853.76
  6. Step 6: Final answer
    x = 13,815.47

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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.