Home / 18,424.10-25,425.23-10,040.62

Finding the Fourth Proportional to 18,424.10, 25,425.23 and 10,040.62

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Solution

The fourth proportional to 18,424.10, 25,425.23 and 10,040.62 is: 13,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.10 : 25,425.23 = 10,040.62 : x
  2. Step 2: Convert to fraction form
    18,424.10/25,425.23 = 10,040.62/x
  3. Step 3: Cross multiply
    18,424.10x = 25,425.23 × 10,040.62
  4. Step 4: Simplify right side
    18,424.10x = 255,285,072.84
  5. Step 5: Solve for x
    x = 255,285,072.84/18,424.10
  6. Step 6: Final answer
    x = 13,856.04

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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.