Home / 26,856.55-40,298.19-20,322.82

Finding the Fourth Proportional to 26,856.55, 40,298.19 and 20,322.82

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Solution

The fourth proportional to 26,856.55, 40,298.19 and 20,322.82 is: 30,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.55 : 40,298.19 = 20,322.82 : x
  2. Step 2: Convert to fraction form
    26,856.55/40,298.19 = 20,322.82/x
  3. Step 3: Cross multiply
    26,856.55x = 40,298.19 × 20,322.82
  4. Step 4: Simplify right side
    26,856.55x = 818,972,861.70
  5. Step 5: Solve for x
    x = 818,972,861.70/26,856.55
  6. Step 6: Final answer
    x = 30,494.34

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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.