Home / 32,872.48-45,363.12-18,729.88

Finding the Fourth Proportional to 32,872.48, 45,363.12 and 18,729.88

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Solution

The fourth proportional to 32,872.48, 45,363.12 and 18,729.88 is: 25,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.48 : 45,363.12 = 18,729.88 : x
  2. Step 2: Convert to fraction form
    32,872.48/45,363.12 = 18,729.88/x
  3. Step 3: Cross multiply
    32,872.48x = 45,363.12 × 18,729.88
  4. Step 4: Simplify right side
    32,872.48x = 849,645,794.03
  5. Step 5: Solve for x
    x = 849,645,794.03/32,872.48
  6. Step 6: Final answer
    x = 25,846.72

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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.