Home / 12,362.31-18,521.85-10,295.61

Finding the Fourth Proportional to 12,362.31, 18,521.85 and 10,295.61

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Solution

The fourth proportional to 12,362.31, 18,521.85 and 10,295.61 is: 15,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.31 : 18,521.85 = 10,295.61 : x
  2. Step 2: Convert to fraction form
    12,362.31/18,521.85 = 10,295.61/x
  3. Step 3: Cross multiply
    12,362.31x = 18,521.85 × 10,295.61
  4. Step 4: Simplify right side
    12,362.31x = 190,693,744.08
  5. Step 5: Solve for x
    x = 190,693,744.08/12,362.31
  6. Step 6: Final answer
    x = 15,425.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.