Home / 23,753.04-32,780.16-13,142.50

Finding the Fourth Proportional to 23,753.04, 32,780.16 and 13,142.50

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Solution

The fourth proportional to 23,753.04, 32,780.16 and 13,142.50 is: 18,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,753.04 : 32,780.16 = 13,142.50 : x
  2. Step 2: Convert to fraction form
    23,753.04/32,780.16 = 13,142.50/x
  3. Step 3: Cross multiply
    23,753.04x = 32,780.16 × 13,142.50
  4. Step 4: Simplify right side
    23,753.04x = 430,813,252.80
  5. Step 5: Solve for x
    x = 430,813,252.80/23,753.04
  6. Step 6: Final answer
    x = 18,137.18

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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.