Home / 19,565.88-27,001.92-11,182.40

Finding the Fourth Proportional to 19,565.88, 27,001.92 and 11,182.40

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Solution

The fourth proportional to 19,565.88, 27,001.92 and 11,182.40 is: 15,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.88 : 27,001.92 = 11,182.40 : x
  2. Step 2: Convert to fraction form
    19,565.88/27,001.92 = 11,182.40/x
  3. Step 3: Cross multiply
    19,565.88x = 27,001.92 × 11,182.40
  4. Step 4: Simplify right side
    19,565.88x = 301,946,270.21
  5. Step 5: Solve for x
    x = 301,946,270.21/19,565.88
  6. Step 6: Final answer
    x = 15,432.29

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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.