Home / 12,132.72-18,234.99-10,066.14

Finding the Fourth Proportional to 12,132.72, 18,234.99 and 10,066.14

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Solution

The fourth proportional to 12,132.72, 18,234.99 and 10,066.14 is: 15,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.72 : 18,234.99 = 10,066.14 : x
  2. Step 2: Convert to fraction form
    12,132.72/18,234.99 = 10,066.14/x
  3. Step 3: Cross multiply
    12,132.72x = 18,234.99 × 10,066.14
  4. Step 4: Simplify right side
    12,132.72x = 183,555,962.24
  5. Step 5: Solve for x
    x = 183,555,962.24/12,132.72
  6. Step 6: Final answer
    x = 15,129.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.