Home / 22,198.08-30,632.40-12,126.36

Finding the Fourth Proportional to 22,198.08, 30,632.40 and 12,126.36

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Solution

The fourth proportional to 22,198.08, 30,632.40 and 12,126.36 is: 16,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.08 : 30,632.40 = 12,126.36 : x
  2. Step 2: Convert to fraction form
    22,198.08/30,632.40 = 12,126.36/x
  3. Step 3: Cross multiply
    22,198.08x = 30,632.40 × 12,126.36
  4. Step 4: Simplify right side
    22,198.08x = 371,459,510.06
  5. Step 5: Solve for x
    x = 371,459,510.06/22,198.08
  6. Step 6: Final answer
    x = 16,733.86

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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.