Home / 22,911.20-34,309.20-15,077.60

Finding the Fourth Proportional to 22,911.20, 34,309.20 and 15,077.60

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Solution

The fourth proportional to 22,911.20, 34,309.20 and 15,077.60 is: 22,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.20 : 34,309.20 = 15,077.60 : x
  2. Step 2: Convert to fraction form
    22,911.20/34,309.20 = 15,077.60/x
  3. Step 3: Cross multiply
    22,911.20x = 34,309.20 × 15,077.60
  4. Step 4: Simplify right side
    22,911.20x = 517,300,393.92
  5. Step 5: Solve for x
    x = 517,300,393.92/22,911.20
  6. Step 6: Final answer
    x = 22,578.49

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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.