Home / 29,268.75-40,408.29-19,214.79

Finding the Fourth Proportional to 29,268.75, 40,408.29 and 19,214.79

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Solution

The fourth proportional to 29,268.75, 40,408.29 and 19,214.79 is: 26,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268.75 : 40,408.29 = 19,214.79 : x
  2. Step 2: Convert to fraction form
    29,268.75/40,408.29 = 19,214.79/x
  3. Step 3: Cross multiply
    29,268.75x = 40,408.29 × 19,214.79
  4. Step 4: Simplify right side
    29,268.75x = 776,436,806.61
  5. Step 5: Solve for x
    x = 776,436,806.61/29,268.75
  6. Step 6: Final answer
    x = 26,527.84

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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.