Home / 22,239.24-30,689.88-12,167.54

Finding the Fourth Proportional to 22,239.24, 30,689.88 and 12,167.54

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Solution

The fourth proportional to 22,239.24, 30,689.88 and 12,167.54 is: 16,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.24 : 30,689.88 = 12,167.54 : x
  2. Step 2: Convert to fraction form
    22,239.24/30,689.88 = 12,167.54/x
  3. Step 3: Cross multiply
    22,239.24x = 30,689.88 × 12,167.54
  4. Step 4: Simplify right side
    22,239.24x = 373,420,275.23
  5. Step 5: Solve for x
    x = 373,420,275.23/22,239.24
  6. Step 6: Final answer
    x = 16,791.05

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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.