Home / 25,007.20-34,506.10-14,394.78

Finding the Fourth Proportional to 25,007.20, 34,506.10 and 14,394.78

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Solution

The fourth proportional to 25,007.20, 34,506.10 and 14,394.78 is: 19,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.20 : 34,506.10 = 14,394.78 : x
  2. Step 2: Convert to fraction form
    25,007.20/34,506.10 = 14,394.78/x
  3. Step 3: Cross multiply
    25,007.20x = 34,506.10 × 14,394.78
  4. Step 4: Simplify right side
    25,007.20x = 496,707,736.15
  5. Step 5: Solve for x
    x = 496,707,736.15/25,007.20
  6. Step 6: Final answer
    x = 19,862.59

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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.