Home / 25,542.52-38,281.34-11,487.56

Finding the Fourth Proportional to 25,542.52, 38,281.34 and 11,487.56

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Solution

The fourth proportional to 25,542.52, 38,281.34 and 11,487.56 is: 17,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.52 : 38,281.34 = 11,487.56 : x
  2. Step 2: Convert to fraction form
    25,542.52/38,281.34 = 11,487.56/x
  3. Step 3: Cross multiply
    25,542.52x = 38,281.34 × 11,487.56
  4. Step 4: Simplify right side
    25,542.52x = 439,759,190.13
  5. Step 5: Solve for x
    x = 439,759,190.13/25,542.52
  6. Step 6: Final answer
    x = 17,216.75

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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.