Home / 22,275.10-30,739.68-12,203.92

Finding the Fourth Proportional to 22,275.10, 30,739.68 and 12,203.92

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Solution

The fourth proportional to 22,275.10, 30,739.68 and 12,203.92 is: 16,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.10 : 30,739.68 = 12,203.92 : x
  2. Step 2: Convert to fraction form
    22,275.10/30,739.68 = 12,203.92/x
  3. Step 3: Cross multiply
    22,275.10x = 30,739.68 × 12,203.92
  4. Step 4: Simplify right side
    22,275.10x = 375,144,595.55
  5. Step 5: Solve for x
    x = 375,144,595.55/22,275.10
  6. Step 6: Final answer
    x = 16,841.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.