Home / 22,490.13-33,664.47-15,428.86

Finding the Fourth Proportional to 22,490.13, 33,664.47 and 15,428.86

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Solution

The fourth proportional to 22,490.13, 33,664.47 and 15,428.86 is: 23,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.13 : 33,664.47 = 15,428.86 : x
  2. Step 2: Convert to fraction form
    22,490.13/33,664.47 = 15,428.86/x
  3. Step 3: Cross multiply
    22,490.13x = 33,664.47 × 15,428.86
  4. Step 4: Simplify right side
    22,490.13x = 519,404,250.86
  5. Step 5: Solve for x
    x = 519,404,250.86/22,490.13
  6. Step 6: Final answer
    x = 23,094.76

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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.