Home / 22,693.71-31,316.31-13,132.08

Finding the Fourth Proportional to 22,693.71, 31,316.31 and 13,132.08

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Solution

The fourth proportional to 22,693.71, 31,316.31 and 13,132.08 is: 18,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.71 : 31,316.31 = 13,132.08 : x
  2. Step 2: Convert to fraction form
    22,693.71/31,316.31 = 13,132.08/x
  3. Step 3: Cross multiply
    22,693.71x = 31,316.31 × 13,132.08
  4. Step 4: Simplify right side
    22,693.71x = 411,248,288.22
  5. Step 5: Solve for x
    x = 411,248,288.22/22,693.71
  6. Step 6: Final answer
    x = 18,121.69

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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.