Home / 15,309.10-22,969.38-10,424.80

Finding the Fourth Proportional to 15,309.10, 22,969.38 and 10,424.80

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Solution

The fourth proportional to 15,309.10, 22,969.38 and 10,424.80 is: 15,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.10 : 22,969.38 = 10,424.80 : x
  2. Step 2: Convert to fraction form
    15,309.10/22,969.38 = 10,424.80/x
  3. Step 3: Cross multiply
    15,309.10x = 22,969.38 × 10,424.80
  4. Step 4: Simplify right side
    15,309.10x = 239,451,077.78
  5. Step 5: Solve for x
    x = 239,451,077.78/15,309.10
  6. Step 6: Final answer
    x = 15,641.10

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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.