Home / 20,888.73-31,336.03-6,098.74

Finding the Fourth Proportional to 20,888.73, 31,336.03 and 6,098.74

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Solution

The fourth proportional to 20,888.73, 31,336.03 and 6,098.74 is: 9,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888.73 : 31,336.03 = 6,098.74 : x
  2. Step 2: Convert to fraction form
    20,888.73/31,336.03 = 6,098.74/x
  3. Step 3: Cross multiply
    20,888.73x = 31,336.03 × 6,098.74
  4. Step 4: Simplify right side
    20,888.73x = 191,110,299.60
  5. Step 5: Solve for x
    x = 191,110,299.60/20,888.73
  6. Step 6: Final answer
    x = 9,148.97

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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.