Home / 26,391.54-36,420.42-14,454.78

Finding the Fourth Proportional to 26,391.54, 36,420.42 and 14,454.78

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Solution

The fourth proportional to 26,391.54, 36,420.42 and 14,454.78 is: 19,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.54 : 36,420.42 = 14,454.78 : x
  2. Step 2: Convert to fraction form
    26,391.54/36,420.42 = 14,454.78/x
  3. Step 3: Cross multiply
    26,391.54x = 36,420.42 × 14,454.78
  4. Step 4: Simplify right side
    26,391.54x = 526,449,158.61
  5. Step 5: Solve for x
    x = 526,449,158.61/26,391.54
  6. Step 6: Final answer
    x = 19,947.65

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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.