Home / 21,747.50-32,565.41-15,074.47

Finding the Fourth Proportional to 21,747.50, 32,565.41 and 15,074.47

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Solution

The fourth proportional to 21,747.50, 32,565.41 and 15,074.47 is: 22,573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.50 : 32,565.41 = 15,074.47 : x
  2. Step 2: Convert to fraction form
    21,747.50/32,565.41 = 15,074.47/x
  3. Step 3: Cross multiply
    21,747.50x = 32,565.41 × 15,074.47
  4. Step 4: Simplify right side
    21,747.50x = 490,906,317.95
  5. Step 5: Solve for x
    x = 490,906,317.95/21,747.50
  6. Step 6: Final answer
    x = 22,573.00

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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.