Home / 26,921.68-37,154.28-18,414.16

Finding the Fourth Proportional to 26,921.68, 37,154.28 and 18,414.16

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Solution

The fourth proportional to 26,921.68, 37,154.28 and 18,414.16 is: 25,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.68 : 37,154.28 = 18,414.16 : x
  2. Step 2: Convert to fraction form
    26,921.68/37,154.28 = 18,414.16/x
  3. Step 3: Cross multiply
    26,921.68x = 37,154.28 × 18,414.16
  4. Step 4: Simplify right side
    26,921.68x = 684,164,856.60
  5. Step 5: Solve for x
    x = 684,164,856.60/26,921.68
  6. Step 6: Final answer
    x = 25,413.16

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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.