Home / 22,012.65-32,962.59-12,140.96

Finding the Fourth Proportional to 22,012.65, 32,962.59 and 12,140.96

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Solution

The fourth proportional to 22,012.65, 32,962.59 and 12,140.96 is: 18,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.65 : 32,962.59 = 12,140.96 : x
  2. Step 2: Convert to fraction form
    22,012.65/32,962.59 = 12,140.96/x
  3. Step 3: Cross multiply
    22,012.65x = 32,962.59 × 12,140.96
  4. Step 4: Simplify right side
    22,012.65x = 400,197,321.87
  5. Step 5: Solve for x
    x = 400,197,321.87/22,012.65
  6. Step 6: Final answer
    x = 18,180.33

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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.