Home / 18,117.33-25,001.91-10,159.53

Finding the Fourth Proportional to 18,117.33, 25,001.91 and 10,159.53

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Solution

The fourth proportional to 18,117.33, 25,001.91 and 10,159.53 is: 14,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.33 : 25,001.91 = 10,159.53 : x
  2. Step 2: Convert to fraction form
    18,117.33/25,001.91 = 10,159.53/x
  3. Step 3: Cross multiply
    18,117.33x = 25,001.91 × 10,159.53
  4. Step 4: Simplify right side
    18,117.33x = 254,007,654.70
  5. Step 5: Solve for x
    x = 254,007,654.70/18,117.33
  6. Step 6: Final answer
    x = 14,020.15

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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.