Home / 25,025.11-34,534.65-13,694.60

Finding the Fourth Proportional to 25,025.11, 34,534.65 and 13,694.60

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Solution

The fourth proportional to 25,025.11, 34,534.65 and 13,694.60 is: 18,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,025.11 : 34,534.65 = 13,694.60 : x
  2. Step 2: Convert to fraction form
    25,025.11/34,534.65 = 13,694.60/x
  3. Step 3: Cross multiply
    25,025.11x = 34,534.65 × 13,694.60
  4. Step 4: Simplify right side
    25,025.11x = 472,938,394.66
  5. Step 5: Solve for x
    x = 472,938,394.66/25,025.11
  6. Step 6: Final answer
    x = 18,898.55

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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.