Home / 18,280.16-25,226.67-9,896.66

Finding the Fourth Proportional to 18,280.16, 25,226.67 and 9,896.66

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Solution

The fourth proportional to 18,280.16, 25,226.67 and 9,896.66 is: 13,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.16 : 25,226.67 = 9,896.66 : x
  2. Step 2: Convert to fraction form
    18,280.16/25,226.67 = 9,896.66/x
  3. Step 3: Cross multiply
    18,280.16x = 25,226.67 × 9,896.66
  4. Step 4: Simplify right side
    18,280.16x = 249,659,775.92
  5. Step 5: Solve for x
    x = 249,659,775.92/18,280.16
  6. Step 6: Final answer
    x = 13,657.42

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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.