Home / 18,517.66-25,555.85-10,560.48

Finding the Fourth Proportional to 18,517.66, 25,555.85 and 10,560.48

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Solution

The fourth proportional to 18,517.66, 25,555.85 and 10,560.48 is: 14,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.66 : 25,555.85 = 10,560.48 : x
  2. Step 2: Convert to fraction form
    18,517.66/25,555.85 = 10,560.48/x
  3. Step 3: Cross multiply
    18,517.66x = 25,555.85 × 10,560.48
  4. Step 4: Simplify right side
    18,517.66x = 269,881,993.18
  5. Step 5: Solve for x
    x = 269,881,993.18/18,517.66
  6. Step 6: Final answer
    x = 14,574.30

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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.