Home / 32,646.72-45,049.12-18,500.80

Finding the Fourth Proportional to 32,646.72, 45,049.12 and 18,500.80

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Solution

The fourth proportional to 32,646.72, 45,049.12 and 18,500.80 is: 25,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,646.72 : 45,049.12 = 18,500.80 : x
  2. Step 2: Convert to fraction form
    32,646.72/45,049.12 = 18,500.80/x
  3. Step 3: Cross multiply
    32,646.72x = 45,049.12 × 18,500.80
  4. Step 4: Simplify right side
    32,646.72x = 833,444,759.30
  5. Step 5: Solve for x
    x = 833,444,759.30/32,646.72
  6. Step 6: Final answer
    x = 25,529.20

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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.