Home / 32,753.80-45,201.85-18,418.15

Finding the Fourth Proportional to 32,753.80, 45,201.85 and 18,418.15

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Solution

The fourth proportional to 32,753.80, 45,201.85 and 18,418.15 is: 25,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,753.80 : 45,201.85 = 18,418.15 : x
  2. Step 2: Convert to fraction form
    32,753.80/45,201.85 = 18,418.15/x
  3. Step 3: Cross multiply
    32,753.80x = 45,201.85 × 18,418.15
  4. Step 4: Simplify right side
    32,753.80x = 832,534,260.10
  5. Step 5: Solve for x
    x = 832,534,260.10/32,753.80
  6. Step 6: Final answer
    x = 25,417.94

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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.