Home / 15,301.16-22,897-11,991.52

Finding the Fourth Proportional to 15,301.16, 22,897 and 11,991.52

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Solution

The fourth proportional to 15,301.16, 22,897 and 11,991.52 is: 17,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.16 : 22,897 = 11,991.52 : x
  2. Step 2: Convert to fraction form
    15,301.16/22,897 = 11,991.52/x
  3. Step 3: Cross multiply
    15,301.16x = 22,897 × 11,991.52
  4. Step 4: Simplify right side
    15,301.16x = 274,569,833.44
  5. Step 5: Solve for x
    x = 274,569,833.44/15,301.16
  6. Step 6: Final answer
    x = 17,944.38

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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.