Home / 18,524.10-25,559.18-10,966.68

Finding the Fourth Proportional to 18,524.10, 25,559.18 and 10,966.68

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Solution

The fourth proportional to 18,524.10, 25,559.18 and 10,966.68 is: 15,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.10 : 25,559.18 = 10,966.68 : x
  2. Step 2: Convert to fraction form
    18,524.10/25,559.18 = 10,966.68/x
  3. Step 3: Cross multiply
    18,524.10x = 25,559.18 × 10,966.68
  4. Step 4: Simplify right side
    18,524.10x = 280,299,348.12
  5. Step 5: Solve for x
    x = 280,299,348.12/18,524.10
  6. Step 6: Final answer
    x = 15,131.60

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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.