Home / 20,332.98-30,497.31-9,799.74

Finding the Fourth Proportional to 20,332.98, 30,497.31 and 9,799.74

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Solution

The fourth proportional to 20,332.98, 30,497.31 and 9,799.74 is: 14,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.98 : 30,497.31 = 9,799.74 : x
  2. Step 2: Convert to fraction form
    20,332.98/30,497.31 = 9,799.74/x
  3. Step 3: Cross multiply
    20,332.98x = 30,497.31 × 9,799.74
  4. Step 4: Simplify right side
    20,332.98x = 298,865,708.70
  5. Step 5: Solve for x
    x = 298,865,708.70/20,332.98
  6. Step 6: Final answer
    x = 14,698.57

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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.