Home / 23,036.24-31,787.40-12,963.92

Finding the Fourth Proportional to 23,036.24, 31,787.40 and 12,963.92

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Solution

The fourth proportional to 23,036.24, 31,787.40 and 12,963.92 is: 17,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.24 : 31,787.40 = 12,963.92 : x
  2. Step 2: Convert to fraction form
    23,036.24/31,787.40 = 12,963.92/x
  3. Step 3: Cross multiply
    23,036.24x = 31,787.40 × 12,963.92
  4. Step 4: Simplify right side
    23,036.24x = 412,089,310.61
  5. Step 5: Solve for x
    x = 412,089,310.61/23,036.24
  6. Step 6: Final answer
    x = 17,888.74

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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.