Home / 18,382.33-25,368.86-10,425.07

Finding the Fourth Proportional to 18,382.33, 25,368.86 and 10,425.07

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Solution

The fourth proportional to 18,382.33, 25,368.86 and 10,425.07 is: 14,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.33 : 25,368.86 = 10,425.07 : x
  2. Step 2: Convert to fraction form
    18,382.33/25,368.86 = 10,425.07/x
  3. Step 3: Cross multiply
    18,382.33x = 25,368.86 × 10,425.07
  4. Step 4: Simplify right side
    18,382.33x = 264,472,040.54
  5. Step 5: Solve for x
    x = 264,472,040.54/18,382.33
  6. Step 6: Final answer
    x = 14,387.30

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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.