Home / 13,074.16-18,044.97-7,767.96

Finding the Fourth Proportional to 13,074.16, 18,044.97 and 7,767.96

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Solution

The fourth proportional to 13,074.16, 18,044.97 and 7,767.96 is: 10,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.16 : 18,044.97 = 7,767.96 : x
  2. Step 2: Convert to fraction form
    13,074.16/18,044.97 = 7,767.96/x
  3. Step 3: Cross multiply
    13,074.16x = 18,044.97 × 7,767.96
  4. Step 4: Simplify right side
    13,074.16x = 140,172,476.10
  5. Step 5: Solve for x
    x = 140,172,476.10/13,074.16
  6. Step 6: Final answer
    x = 10,721.34

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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.