Home / 25,650.09-35,397.27-15,039.90

Finding the Fourth Proportional to 25,650.09, 35,397.27 and 15,039.90

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Solution

The fourth proportional to 25,650.09, 35,397.27 and 15,039.90 is: 20,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.09 : 35,397.27 = 15,039.90 : x
  2. Step 2: Convert to fraction form
    25,650.09/35,397.27 = 15,039.90/x
  3. Step 3: Cross multiply
    25,650.09x = 35,397.27 × 15,039.90
  4. Step 4: Simplify right side
    25,650.09x = 532,371,401.07
  5. Step 5: Solve for x
    x = 532,371,401.07/25,650.09
  6. Step 6: Final answer
    x = 20,755.15

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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.