Home / 15,012.06-22,518.56-5,151.21

Finding the Fourth Proportional to 15,012.06, 22,518.56 and 5,151.21

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Solution

The fourth proportional to 15,012.06, 22,518.56 and 5,151.21 is: 7,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.06 : 22,518.56 = 5,151.21 : x
  2. Step 2: Convert to fraction form
    15,012.06/22,518.56 = 5,151.21/x
  3. Step 3: Cross multiply
    15,012.06x = 22,518.56 × 5,151.21
  4. Step 4: Simplify right side
    15,012.06x = 115,997,805.70
  5. Step 5: Solve for x
    x = 115,997,805.70/15,012.06
  6. Step 6: Final answer
    x = 7,726.97

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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.