Home / 22,675.14-33,939.90-12,118.74

Finding the Fourth Proportional to 22,675.14, 33,939.90 and 12,118.74

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Solution

The fourth proportional to 22,675.14, 33,939.90 and 12,118.74 is: 18,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.14 : 33,939.90 = 12,118.74 : x
  2. Step 2: Convert to fraction form
    22,675.14/33,939.90 = 12,118.74/x
  3. Step 3: Cross multiply
    22,675.14x = 33,939.90 × 12,118.74
  4. Step 4: Simplify right side
    22,675.14x = 411,308,823.73
  5. Step 5: Solve for x
    x = 411,308,823.73/22,675.14
  6. Step 6: Final answer
    x = 18,139.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.