Home / 32,686.48-45,107.22-18,539.20

Finding the Fourth Proportional to 32,686.48, 45,107.22 and 18,539.20

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Solution

The fourth proportional to 32,686.48, 45,107.22 and 18,539.20 is: 25,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,686.48 : 45,107.22 = 18,539.20 : x
  2. Step 2: Convert to fraction form
    32,686.48/45,107.22 = 18,539.20/x
  3. Step 3: Cross multiply
    32,686.48x = 45,107.22 × 18,539.20
  4. Step 4: Simplify right side
    32,686.48x = 836,251,773.02
  5. Step 5: Solve for x
    x = 836,251,773.02/32,686.48
  6. Step 6: Final answer
    x = 25,584.03

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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.