Home / 12,066.24-18,068.64-10,319.04

Finding the Fourth Proportional to 12,066.24, 18,068.64 and 10,319.04

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Solution

The fourth proportional to 12,066.24, 18,068.64 and 10,319.04 is: 15,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.24 : 18,068.64 = 10,319.04 : x
  2. Step 2: Convert to fraction form
    12,066.24/18,068.64 = 10,319.04/x
  3. Step 3: Cross multiply
    12,066.24x = 18,068.64 × 10,319.04
  4. Step 4: Simplify right side
    12,066.24x = 186,451,018.91
  5. Step 5: Solve for x
    x = 186,451,018.91/12,066.24
  6. Step 6: Final answer
    x = 15,452.29

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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.