Home / 15,129.70-22,694.55-9,224.80

Finding the Fourth Proportional to 15,129.70, 22,694.55 and 9,224.80

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Solution

The fourth proportional to 15,129.70, 22,694.55 and 9,224.80 is: 13,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.70 : 22,694.55 = 9,224.80 : x
  2. Step 2: Convert to fraction form
    15,129.70/22,694.55 = 9,224.80/x
  3. Step 3: Cross multiply
    15,129.70x = 22,694.55 × 9,224.80
  4. Step 4: Simplify right side
    15,129.70x = 209,352,684.84
  5. Step 5: Solve for x
    x = 209,352,684.84/15,129.70
  6. Step 6: Final answer
    x = 13,837.20

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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.