Home / 15,010.74-20,734.29-12,196.80

Finding the Fourth Proportional to 15,010.74, 20,734.29 and 12,196.80

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Solution

The fourth proportional to 15,010.74, 20,734.29 and 12,196.80 is: 16,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.74 : 20,734.29 = 12,196.80 : x
  2. Step 2: Convert to fraction form
    15,010.74/20,734.29 = 12,196.80/x
  3. Step 3: Cross multiply
    15,010.74x = 20,734.29 × 12,196.80
  4. Step 4: Simplify right side
    15,010.74x = 252,891,988.27
  5. Step 5: Solve for x
    x = 252,891,988.27/15,010.74
  6. Step 6: Final answer
    x = 16,847.40

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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.