Home / 15,032.39-20,731.82-9,062.75

Finding the Fourth Proportional to 15,032.39, 20,731.82 and 9,062.75

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Solution

The fourth proportional to 15,032.39, 20,731.82 and 9,062.75 is: 12,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.39 : 20,731.82 = 9,062.75 : x
  2. Step 2: Convert to fraction form
    15,032.39/20,731.82 = 9,062.75/x
  3. Step 3: Cross multiply
    15,032.39x = 20,731.82 × 9,062.75
  4. Step 4: Simplify right side
    15,032.39x = 187,887,308.22
  5. Step 5: Solve for x
    x = 187,887,308.22/15,032.39
  6. Step 6: Final answer
    x = 12,498.84

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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.