Home / 26,363.13-36,385.43-15,191.61

Finding the Fourth Proportional to 26,363.13, 36,385.43 and 15,191.61

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Solution

The fourth proportional to 26,363.13, 36,385.43 and 15,191.61 is: 20,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,363.13 : 36,385.43 = 15,191.61 : x
  2. Step 2: Convert to fraction form
    26,363.13/36,385.43 = 15,191.61/x
  3. Step 3: Cross multiply
    26,363.13x = 36,385.43 × 15,191.61
  4. Step 4: Simplify right side
    26,363.13x = 552,753,262.24
  5. Step 5: Solve for x
    x = 552,753,262.24/26,363.13
  6. Step 6: Final answer
    x = 20,966.91

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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.