Home / 26,929.46-40,353.19-18,490.48

Finding the Fourth Proportional to 26,929.46, 40,353.19 and 18,490.48

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Solution

The fourth proportional to 26,929.46, 40,353.19 and 18,490.48 is: 27,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.46 : 40,353.19 = 18,490.48 : x
  2. Step 2: Convert to fraction form
    26,929.46/40,353.19 = 18,490.48/x
  3. Step 3: Cross multiply
    26,929.46x = 40,353.19 × 18,490.48
  4. Step 4: Simplify right side
    26,929.46x = 746,149,705.52
  5. Step 5: Solve for x
    x = 746,149,705.52/26,929.46
  6. Step 6: Final answer
    x = 27,707.56

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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.