Home / 23,318.20-34,964.47-15,931

Finding the Fourth Proportional to 23,318.20, 34,964.47 and 15,931

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Solution

The fourth proportional to 23,318.20, 34,964.47 and 15,931 is: 23,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.20 : 34,964.47 = 15,931 : x
  2. Step 2: Convert to fraction form
    23,318.20/34,964.47 = 15,931/x
  3. Step 3: Cross multiply
    23,318.20x = 34,964.47 × 15,931
  4. Step 4: Simplify right side
    23,318.20x = 557,018,971.57
  5. Step 5: Solve for x
    x = 557,018,971.57/23,318.20
  6. Step 6: Final answer
    x = 23,887.73

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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.