Home / 23,034.50-31,787.74-12,963.11

Finding the Fourth Proportional to 23,034.50, 31,787.74 and 12,963.11

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Solution

The fourth proportional to 23,034.50, 31,787.74 and 12,963.11 is: 17,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,034.50 : 31,787.74 = 12,963.11 : x
  2. Step 2: Convert to fraction form
    23,034.50/31,787.74 = 12,963.11/x
  3. Step 3: Cross multiply
    23,034.50x = 31,787.74 × 12,963.11
  4. Step 4: Simplify right side
    23,034.50x = 412,067,970.27
  5. Step 5: Solve for x
    x = 412,067,970.27/23,034.50
  6. Step 6: Final answer
    x = 17,889.16

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1.5x scale

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.