Home / 22,275.66-30,740.40-12,204.74

Finding the Fourth Proportional to 22,275.66, 30,740.40 and 12,204.74

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Solution

The fourth proportional to 22,275.66, 30,740.40 and 12,204.74 is: 16,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.66 : 30,740.40 = 12,204.74 : x
  2. Step 2: Convert to fraction form
    22,275.66/30,740.40 = 12,204.74/x
  3. Step 3: Cross multiply
    22,275.66x = 30,740.40 × 12,204.74
  4. Step 4: Simplify right side
    22,275.66x = 375,178,589.50
  5. Step 5: Solve for x
    x = 375,178,589.50/22,275.66
  6. Step 6: Final answer
    x = 16,842.54

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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.