Home / 26,572.59-39,863.79-10,991.43

Finding the Fourth Proportional to 26,572.59, 39,863.79 and 10,991.43

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Solution

The fourth proportional to 26,572.59, 39,863.79 and 10,991.43 is: 16,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,572.59 : 39,863.79 = 10,991.43 : x
  2. Step 2: Convert to fraction form
    26,572.59/39,863.79 = 10,991.43/x
  3. Step 3: Cross multiply
    26,572.59x = 39,863.79 × 10,991.43
  4. Step 4: Simplify right side
    26,572.59x = 438,160,057.32
  5. Step 5: Solve for x
    x = 438,160,057.32/26,572.59
  6. Step 6: Final answer
    x = 16,489.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.