Home / 20,886.14-31,336.40-6,097.25

Finding the Fourth Proportional to 20,886.14, 31,336.40 and 6,097.25

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Solution

The fourth proportional to 20,886.14, 31,336.40 and 6,097.25 is: 9,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886.14 : 31,336.40 = 6,097.25 : x
  2. Step 2: Convert to fraction form
    20,886.14/31,336.40 = 6,097.25/x
  3. Step 3: Cross multiply
    20,886.14x = 31,336.40 × 6,097.25
  4. Step 4: Simplify right side
    20,886.14x = 191,065,677.73
  5. Step 5: Solve for x
    x = 191,065,677.73/20,886.14
  6. Step 6: Final answer
    x = 9,147.97

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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.