Home / 25,605.97-38,407.59-9,818.57

Finding the Fourth Proportional to 25,605.97, 38,407.59 and 9,818.57

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Solution

The fourth proportional to 25,605.97, 38,407.59 and 9,818.57 is: 14,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.97 : 38,407.59 = 9,818.57 : x
  2. Step 2: Convert to fraction form
    25,605.97/38,407.59 = 9,818.57/x
  3. Step 3: Cross multiply
    25,605.97x = 38,407.59 × 9,818.57
  4. Step 4: Simplify right side
    25,605.97x = 377,107,518.54
  5. Step 5: Solve for x
    x = 377,107,518.54/25,605.97
  6. Step 6: Final answer
    x = 14,727.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.