Home / 15,751.35-23,618.82-7,429.13

Finding the Fourth Proportional to 15,751.35, 23,618.82 and 7,429.13

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Solution

The fourth proportional to 15,751.35, 23,618.82 and 7,429.13 is: 11,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.35 : 23,618.82 = 7,429.13 : x
  2. Step 2: Convert to fraction form
    15,751.35/23,618.82 = 7,429.13/x
  3. Step 3: Cross multiply
    15,751.35x = 23,618.82 × 7,429.13
  4. Step 4: Simplify right side
    15,751.35x = 175,467,254.70
  5. Step 5: Solve for x
    x = 175,467,254.70/15,751.35
  6. Step 6: Final answer
    x = 11,139.82

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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.