Home / 25,049.52-34,561.08-15,614.64

Finding the Fourth Proportional to 25,049.52, 34,561.08 and 15,614.64

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Solution

The fourth proportional to 25,049.52, 34,561.08 and 15,614.64 is: 21,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.52 : 34,561.08 = 15,614.64 : x
  2. Step 2: Convert to fraction form
    25,049.52/34,561.08 = 15,614.64/x
  3. Step 3: Cross multiply
    25,049.52x = 34,561.08 × 15,614.64
  4. Step 4: Simplify right side
    25,049.52x = 539,658,822.21
  5. Step 5: Solve for x
    x = 539,658,822.21/25,049.52
  6. Step 6: Final answer
    x = 21,543.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.