Home / 18,518.54-25,555.87-10,452.61

Finding the Fourth Proportional to 18,518.54, 25,555.87 and 10,452.61

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Solution

The fourth proportional to 18,518.54, 25,555.87 and 10,452.61 is: 14,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.54 : 25,555.87 = 10,452.61 : x
  2. Step 2: Convert to fraction form
    18,518.54/25,555.87 = 10,452.61/x
  3. Step 3: Cross multiply
    18,518.54x = 25,555.87 × 10,452.61
  4. Step 4: Simplify right side
    18,518.54x = 267,125,501.57
  5. Step 5: Solve for x
    x = 267,125,501.57/18,518.54
  6. Step 6: Final answer
    x = 14,424.76

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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.