Home / 12,568.08-17,324.04-10,042.20

Finding the Fourth Proportional to 12,568.08, 17,324.04 and 10,042.20

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Solution

The fourth proportional to 12,568.08, 17,324.04 and 10,042.20 is: 13,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.08 : 17,324.04 = 10,042.20 : x
  2. Step 2: Convert to fraction form
    12,568.08/17,324.04 = 10,042.20/x
  3. Step 3: Cross multiply
    12,568.08x = 17,324.04 × 10,042.20
  4. Step 4: Simplify right side
    12,568.08x = 173,971,474.49
  5. Step 5: Solve for x
    x = 173,971,474.49/12,568.08
  6. Step 6: Final answer
    x = 13,842.33

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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.