Home / 23,182.16-34,898.54-21,115.44

Finding the Fourth Proportional to 23,182.16, 34,898.54 and 21,115.44

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Solution

The fourth proportional to 23,182.16, 34,898.54 and 21,115.44 is: 31,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.16 : 34,898.54 = 21,115.44 : x
  2. Step 2: Convert to fraction form
    23,182.16/34,898.54 = 21,115.44/x
  3. Step 3: Cross multiply
    23,182.16x = 34,898.54 × 21,115.44
  4. Step 4: Simplify right side
    23,182.16x = 736,897,921.88
  5. Step 5: Solve for x
    x = 736,897,921.88/23,182.16
  6. Step 6: Final answer
    x = 31,787.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.