Home / 18,132.32-25,023.90-10,066.40

Finding the Fourth Proportional to 18,132.32, 25,023.90 and 10,066.40

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Solution

The fourth proportional to 18,132.32, 25,023.90 and 10,066.40 is: 13,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.32 : 25,023.90 = 10,066.40 : x
  2. Step 2: Convert to fraction form
    18,132.32/25,023.90 = 10,066.40/x
  3. Step 3: Cross multiply
    18,132.32x = 25,023.90 × 10,066.40
  4. Step 4: Simplify right side
    18,132.32x = 251,900,586.96
  5. Step 5: Solve for x
    x = 251,900,586.96/18,132.32
  6. Step 6: Final answer
    x = 13,892.35

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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.