Home / 22,795.15-31,462.55-13,366.75

Finding the Fourth Proportional to 22,795.15, 31,462.55 and 13,366.75

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Solution

The fourth proportional to 22,795.15, 31,462.55 and 13,366.75 is: 18,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.15 : 31,462.55 = 13,366.75 : x
  2. Step 2: Convert to fraction form
    22,795.15/31,462.55 = 13,366.75/x
  3. Step 3: Cross multiply
    22,795.15x = 31,462.55 × 13,366.75
  4. Step 4: Simplify right side
    22,795.15x = 420,551,938.94
  5. Step 5: Solve for x
    x = 420,551,938.94/22,795.15
  6. Step 6: Final answer
    x = 18,449.19

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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.