Home / 18,560.31-25,616.95-11,010.83

Finding the Fourth Proportional to 18,560.31, 25,616.95 and 11,010.83

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Solution

The fourth proportional to 18,560.31, 25,616.95 and 11,010.83 is: 15,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.31 : 25,616.95 = 11,010.83 : x
  2. Step 2: Convert to fraction form
    18,560.31/25,616.95 = 11,010.83/x
  3. Step 3: Cross multiply
    18,560.31x = 25,616.95 × 11,010.83
  4. Step 4: Simplify right side
    18,560.31x = 282,063,914.71
  5. Step 5: Solve for x
    x = 282,063,914.71/18,560.31
  6. Step 6: Final answer
    x = 15,197.16

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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.