Home / 15,961.18-22,029.06-12,177.22

Finding the Fourth Proportional to 15,961.18, 22,029.06 and 12,177.22

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Solution

The fourth proportional to 15,961.18, 22,029.06 and 12,177.22 is: 16,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.18 : 22,029.06 = 12,177.22 : x
  2. Step 2: Convert to fraction form
    15,961.18/22,029.06 = 12,177.22/x
  3. Step 3: Cross multiply
    15,961.18x = 22,029.06 × 12,177.22
  4. Step 4: Simplify right side
    15,961.18x = 268,252,710.01
  5. Step 5: Solve for x
    x = 268,252,710.01/15,961.18
  6. Step 6: Final answer
    x = 16,806.57

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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.