Home / 22,717.64-31,360.02-15,269.96

Finding the Fourth Proportional to 22,717.64, 31,360.02 and 15,269.96

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Solution

The fourth proportional to 22,717.64, 31,360.02 and 15,269.96 is: 21,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.64 : 31,360.02 = 15,269.96 : x
  2. Step 2: Convert to fraction form
    22,717.64/31,360.02 = 15,269.96/x
  3. Step 3: Cross multiply
    22,717.64x = 31,360.02 × 15,269.96
  4. Step 4: Simplify right side
    22,717.64x = 478,866,251.00
  5. Step 5: Solve for x
    x = 478,866,251.00/22,717.64
  6. Step 6: Final answer
    x = 21,079.05

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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.