Home / 26,471.92-39,720.16-9,837.74

Finding the Fourth Proportional to 26,471.92, 39,720.16 and 9,837.74

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Solution

The fourth proportional to 26,471.92, 39,720.16 and 9,837.74 is: 14,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.92 : 39,720.16 = 9,837.74 : x
  2. Step 2: Convert to fraction form
    26,471.92/39,720.16 = 9,837.74/x
  3. Step 3: Cross multiply
    26,471.92x = 39,720.16 × 9,837.74
  4. Step 4: Simplify right side
    26,471.92x = 390,756,408.24
  5. Step 5: Solve for x
    x = 390,756,408.24/26,471.92
  6. Step 6: Final answer
    x = 14,761.17

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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.