Home / 20,732.52-28,610.84-11,301.08

Finding the Fourth Proportional to 20,732.52, 28,610.84 and 11,301.08

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Solution

The fourth proportional to 20,732.52, 28,610.84 and 11,301.08 is: 15,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.52 : 28,610.84 = 11,301.08 : x
  2. Step 2: Convert to fraction form
    20,732.52/28,610.84 = 11,301.08/x
  3. Step 3: Cross multiply
    20,732.52x = 28,610.84 × 11,301.08
  4. Step 4: Simplify right side
    20,732.52x = 323,333,391.71
  5. Step 5: Solve for x
    x = 323,333,391.71/20,732.52
  6. Step 6: Final answer
    x = 15,595.47

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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.