Home / 25,278.66-34,884.55-14,100.66

Finding the Fourth Proportional to 25,278.66, 34,884.55 and 14,100.66

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Solution

The fourth proportional to 25,278.66, 34,884.55 and 14,100.66 is: 19,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.66 : 34,884.55 = 14,100.66 : x
  2. Step 2: Convert to fraction form
    25,278.66/34,884.55 = 14,100.66/x
  3. Step 3: Cross multiply
    25,278.66x = 34,884.55 × 14,100.66
  4. Step 4: Simplify right side
    25,278.66x = 491,894,986.30
  5. Step 5: Solve for x
    x = 491,894,986.30/25,278.66
  6. Step 6: Final answer
    x = 19,458.91

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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.