Home / 18,040.49-24,895.40-10,082.78

Finding the Fourth Proportional to 18,040.49, 24,895.40 and 10,082.78

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Solution

The fourth proportional to 18,040.49, 24,895.40 and 10,082.78 is: 13,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.49 : 24,895.40 = 10,082.78 : x
  2. Step 2: Convert to fraction form
    18,040.49/24,895.40 = 10,082.78/x
  3. Step 3: Cross multiply
    18,040.49x = 24,895.40 × 10,082.78
  4. Step 4: Simplify right side
    18,040.49x = 251,014,841.21
  5. Step 5: Solve for x
    x = 251,014,841.21/18,040.49
  6. Step 6: Final answer
    x = 13,913.97

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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.