Home / 26,869.28-40,318.14-19,534.28

Finding the Fourth Proportional to 26,869.28, 40,318.14 and 19,534.28

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Solution

The fourth proportional to 26,869.28, 40,318.14 and 19,534.28 is: 29,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.28 : 40,318.14 = 19,534.28 : x
  2. Step 2: Convert to fraction form
    26,869.28/40,318.14 = 19,534.28/x
  3. Step 3: Cross multiply
    26,869.28x = 40,318.14 × 19,534.28
  4. Step 4: Simplify right side
    26,869.28x = 787,585,835.84
  5. Step 5: Solve for x
    x = 787,585,835.84/26,869.28
  6. Step 6: Final answer
    x = 29,311.76

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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.