Home / 26,575.32-39,887.64-13,437

Finding the Fourth Proportional to 26,575.32, 39,887.64 and 13,437

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Solution

The fourth proportional to 26,575.32, 39,887.64 and 13,437 is: 20,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,575.32 : 39,887.64 = 13,437 : x
  2. Step 2: Convert to fraction form
    26,575.32/39,887.64 = 13,437/x
  3. Step 3: Cross multiply
    26,575.32x = 39,887.64 × 13,437
  4. Step 4: Simplify right side
    26,575.32x = 535,970,218.68
  5. Step 5: Solve for x
    x = 535,970,218.68/26,575.32
  6. Step 6: Final answer
    x = 20,167.97

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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.