Home / 22,200.08-33,138.17-19,397.52

Finding the Fourth Proportional to 22,200.08, 33,138.17 and 19,397.52

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Solution

The fourth proportional to 22,200.08, 33,138.17 and 19,397.52 is: 28,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.08 : 33,138.17 = 19,397.52 : x
  2. Step 2: Convert to fraction form
    22,200.08/33,138.17 = 19,397.52/x
  3. Step 3: Cross multiply
    22,200.08x = 33,138.17 × 19,397.52
  4. Step 4: Simplify right side
    22,200.08x = 642,798,378.99
  5. Step 5: Solve for x
    x = 642,798,378.99/22,200.08
  6. Step 6: Final answer
    x = 28,954.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.