Home / 23,244.31-32,078.10-13,172.64

Finding the Fourth Proportional to 23,244.31, 32,078.10 and 13,172.64

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Solution

The fourth proportional to 23,244.31, 32,078.10 and 13,172.64 is: 18,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,244.31 : 32,078.10 = 13,172.64 : x
  2. Step 2: Convert to fraction form
    23,244.31/32,078.10 = 13,172.64/x
  3. Step 3: Cross multiply
    23,244.31x = 32,078.10 × 13,172.64
  4. Step 4: Simplify right side
    23,244.31x = 422,553,263.18
  5. Step 5: Solve for x
    x = 422,553,263.18/23,244.31
  6. Step 6: Final answer
    x = 18,178.78

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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.