Home / 32,651.12-45,057.66-18,505.28

Finding the Fourth Proportional to 32,651.12, 45,057.66 and 18,505.28

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Solution

The fourth proportional to 32,651.12, 45,057.66 and 18,505.28 is: 25,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.12 : 45,057.66 = 18,505.28 : x
  2. Step 2: Convert to fraction form
    32,651.12/45,057.66 = 18,505.28/x
  3. Step 3: Cross multiply
    32,651.12x = 45,057.66 × 18,505.28
  4. Step 4: Simplify right side
    32,651.12x = 833,804,614.44
  5. Step 5: Solve for x
    x = 833,804,614.44/32,651.12
  6. Step 6: Final answer
    x = 25,536.78

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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.