Home / 18,338.54-25,307.28-10,382.30

Finding the Fourth Proportional to 18,338.54, 25,307.28 and 10,382.30

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Solution

The fourth proportional to 18,338.54, 25,307.28 and 10,382.30 is: 14,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.54 : 25,307.28 = 10,382.30 : x
  2. Step 2: Convert to fraction form
    18,338.54/25,307.28 = 10,382.30/x
  3. Step 3: Cross multiply
    18,338.54x = 25,307.28 × 10,382.30
  4. Step 4: Simplify right side
    18,338.54x = 262,747,773.14
  5. Step 5: Solve for x
    x = 262,747,773.14/18,338.54
  6. Step 6: Final answer
    x = 14,327.63

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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.