Home / 22,170.21-30,595.17-12,098.61

Finding the Fourth Proportional to 22,170.21, 30,595.17 and 12,098.61

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Solution

The fourth proportional to 22,170.21, 30,595.17 and 12,098.61 is: 16,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.21 : 30,595.17 = 12,098.61 : x
  2. Step 2: Convert to fraction form
    22,170.21/30,595.17 = 12,098.61/x
  3. Step 3: Cross multiply
    22,170.21x = 30,595.17 × 12,098.61
  4. Step 4: Simplify right side
    22,170.21x = 370,159,029.71
  5. Step 5: Solve for x
    x = 370,159,029.71/22,170.21
  6. Step 6: Final answer
    x = 16,696.23

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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.