Home / 18,560.45-25,613.51-11,010.57

Finding the Fourth Proportional to 18,560.45, 25,613.51 and 11,010.57

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Solution

The fourth proportional to 18,560.45, 25,613.51 and 11,010.57 is: 15,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.45 : 25,613.51 = 11,010.57 : x
  2. Step 2: Convert to fraction form
    18,560.45/25,613.51 = 11,010.57/x
  3. Step 3: Cross multiply
    18,560.45x = 25,613.51 × 11,010.57
  4. Step 4: Simplify right side
    18,560.45x = 282,019,289.75
  5. Step 5: Solve for x
    x = 282,019,289.75/18,560.45
  6. Step 6: Final answer
    x = 15,194.64

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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.