Home / 22,225.30-30,670.02-12,154.09

Finding the Fourth Proportional to 22,225.30, 30,670.02 and 12,154.09

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Solution

The fourth proportional to 22,225.30, 30,670.02 and 12,154.09 is: 16,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.30 : 30,670.02 = 12,154.09 : x
  2. Step 2: Convert to fraction form
    22,225.30/30,670.02 = 12,154.09/x
  3. Step 3: Cross multiply
    22,225.30x = 30,670.02 × 12,154.09
  4. Step 4: Simplify right side
    22,225.30x = 372,766,183.38
  5. Step 5: Solve for x
    x = 372,766,183.38/22,225.30
  6. Step 6: Final answer
    x = 16,772.16

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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.