Home / 25,013.16-34,503.12-16,515.36

Finding the Fourth Proportional to 25,013.16, 34,503.12 and 16,515.36

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Solution

The fourth proportional to 25,013.16, 34,503.12 and 16,515.36 is: 22,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.16 : 34,503.12 = 16,515.36 : x
  2. Step 2: Convert to fraction form
    25,013.16/34,503.12 = 16,515.36/x
  3. Step 3: Cross multiply
    25,013.16x = 34,503.12 × 16,515.36
  4. Step 4: Simplify right side
    25,013.16x = 569,831,447.92
  5. Step 5: Solve for x
    x = 569,831,447.92/25,013.16
  6. Step 6: Final answer
    x = 22,781.27

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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.