Home / 25,532.82-35,235.41-14,920.20

Finding the Fourth Proportional to 25,532.82, 35,235.41 and 14,920.20

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Solution

The fourth proportional to 25,532.82, 35,235.41 and 14,920.20 is: 20,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532.82 : 35,235.41 = 14,920.20 : x
  2. Step 2: Convert to fraction form
    25,532.82/35,235.41 = 14,920.20/x
  3. Step 3: Cross multiply
    25,532.82x = 35,235.41 × 14,920.20
  4. Step 4: Simplify right side
    25,532.82x = 525,719,289.68
  5. Step 5: Solve for x
    x = 525,719,289.68/25,532.82
  6. Step 6: Final answer
    x = 20,589.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.