Home / 22,301.74-30,777.08-12,230.60

Finding the Fourth Proportional to 22,301.74, 30,777.08 and 12,230.60

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Solution

The fourth proportional to 22,301.74, 30,777.08 and 12,230.60 is: 16,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.74 : 30,777.08 = 12,230.60 : x
  2. Step 2: Convert to fraction form
    22,301.74/30,777.08 = 12,230.60/x
  3. Step 3: Cross multiply
    22,301.74x = 30,777.08 × 12,230.60
  4. Step 4: Simplify right side
    22,301.74x = 376,422,154.65
  5. Step 5: Solve for x
    x = 376,422,154.65/22,301.74
  6. Step 6: Final answer
    x = 16,878.60

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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.