Home / 18,605.54-25,675.88-10,107.69

Finding the Fourth Proportional to 18,605.54, 25,675.88 and 10,107.69

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Solution

The fourth proportional to 18,605.54, 25,675.88 and 10,107.69 is: 13,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.54 : 25,675.88 = 10,107.69 : x
  2. Step 2: Convert to fraction form
    18,605.54/25,675.88 = 10,107.69/x
  3. Step 3: Cross multiply
    18,605.54x = 25,675.88 × 10,107.69
  4. Step 4: Simplify right side
    18,605.54x = 259,523,784.98
  5. Step 5: Solve for x
    x = 259,523,784.98/18,605.54
  6. Step 6: Final answer
    x = 13,948.74

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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.