Home / 18,132.12-25,023.60-10,066.20

Finding the Fourth Proportional to 18,132.12, 25,023.60 and 10,066.20

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Solution

The fourth proportional to 18,132.12, 25,023.60 and 10,066.20 is: 13,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.12 : 25,023.60 = 10,066.20 : x
  2. Step 2: Convert to fraction form
    18,132.12/25,023.60 = 10,066.20/x
  3. Step 3: Cross multiply
    18,132.12x = 25,023.60 × 10,066.20
  4. Step 4: Simplify right side
    18,132.12x = 251,892,562.32
  5. Step 5: Solve for x
    x = 251,892,562.32/18,132.12
  6. Step 6: Final answer
    x = 13,892.06

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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.