Home / 25,720.43-38,562.11-11,673.41

Finding the Fourth Proportional to 25,720.43, 38,562.11 and 11,673.41

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Solution

The fourth proportional to 25,720.43, 38,562.11 and 11,673.41 is: 17,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.43 : 38,562.11 = 11,673.41 : x
  2. Step 2: Convert to fraction form
    25,720.43/38,562.11 = 11,673.41/x
  3. Step 3: Cross multiply
    25,720.43x = 38,562.11 × 11,673.41
  4. Step 4: Simplify right side
    25,720.43x = 450,151,156.87
  5. Step 5: Solve for x
    x = 450,151,156.87/25,720.43
  6. Step 6: Final answer
    x = 17,501.70

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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.