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Finding the Fourth Proportional to 18,042.58, 24,902.04 and 11,334.16

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Solution

The fourth proportional to 18,042.58, 24,902.04 and 11,334.16 is: 15,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.58 : 24,902.04 = 11,334.16 : x
  2. Step 2: Convert to fraction form
    18,042.58/24,902.04 = 11,334.16/x
  3. Step 3: Cross multiply
    18,042.58x = 24,902.04 × 11,334.16
  4. Step 4: Simplify right side
    18,042.58x = 282,243,705.69
  5. Step 5: Solve for x
    x = 282,243,705.69/18,042.58
  6. Step 6: Final answer
    x = 15,643.20

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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.