Home / 15,291.14-22,882.02-11,981.48

Finding the Fourth Proportional to 15,291.14, 22,882.02 and 11,981.48

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Solution

The fourth proportional to 15,291.14, 22,882.02 and 11,981.48 is: 17,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.14 : 22,882.02 = 11,981.48 : x
  2. Step 2: Convert to fraction form
    15,291.14/22,882.02 = 11,981.48/x
  3. Step 3: Cross multiply
    15,291.14x = 22,882.02 × 11,981.48
  4. Step 4: Simplify right side
    15,291.14x = 274,160,464.99
  5. Step 5: Solve for x
    x = 274,160,464.99/15,291.14
  6. Step 6: Final answer
    x = 17,929.37

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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.