Home / 19,882.59-27,432.45-13,166.07

Finding the Fourth Proportional to 19,882.59, 27,432.45 and 13,166.07

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Solution

The fourth proportional to 19,882.59, 27,432.45 and 13,166.07 is: 18,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.59 : 27,432.45 = 13,166.07 : x
  2. Step 2: Convert to fraction form
    19,882.59/27,432.45 = 13,166.07/x
  3. Step 3: Cross multiply
    19,882.59x = 27,432.45 × 13,166.07
  4. Step 4: Simplify right side
    19,882.59x = 361,177,556.97
  5. Step 5: Solve for x
    x = 361,177,556.97/19,882.59
  6. Step 6: Final answer
    x = 18,165.52

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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.