Home / 21,233.16-31,834.98-10,132.08

Finding the Fourth Proportional to 21,233.16, 31,834.98 and 10,132.08

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Solution

The fourth proportional to 21,233.16, 31,834.98 and 10,132.08 is: 15,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.16 : 31,834.98 = 10,132.08 : x
  2. Step 2: Convert to fraction form
    21,233.16/31,834.98 = 10,132.08/x
  3. Step 3: Cross multiply
    21,233.16x = 31,834.98 × 10,132.08
  4. Step 4: Simplify right side
    21,233.16x = 322,554,564.16
  5. Step 5: Solve for x
    x = 322,554,564.16/21,233.16
  6. Step 6: Final answer
    x = 15,191.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.