Home / 26,187.09-36,175.17-20,294.74

Finding the Fourth Proportional to 26,187.09, 36,175.17 and 20,294.74

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Solution

The fourth proportional to 26,187.09, 36,175.17 and 20,294.74 is: 28,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.09 : 36,175.17 = 20,294.74 : x
  2. Step 2: Convert to fraction form
    26,187.09/36,175.17 = 20,294.74/x
  3. Step 3: Cross multiply
    26,187.09x = 36,175.17 × 20,294.74
  4. Step 4: Simplify right side
    26,187.09x = 734,165,669.61
  5. Step 5: Solve for x
    x = 734,165,669.61/26,187.09
  6. Step 6: Final answer
    x = 28,035.40

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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.