Home / 15,170.51-22,751.42-5,175.06

Finding the Fourth Proportional to 15,170.51, 22,751.42 and 5,175.06

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Solution

The fourth proportional to 15,170.51, 22,751.42 and 5,175.06 is: 7,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.51 : 22,751.42 = 5,175.06 : x
  2. Step 2: Convert to fraction form
    15,170.51/22,751.42 = 5,175.06/x
  3. Step 3: Cross multiply
    15,170.51x = 22,751.42 × 5,175.06
  4. Step 4: Simplify right side
    15,170.51x = 117,739,937.71
  5. Step 5: Solve for x
    x = 117,739,937.71/15,170.51
  6. Step 6: Final answer
    x = 7,761.11

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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.