Home / 13,166.60-19,729.98-5,766.92

Finding the Fourth Proportional to 13,166.60, 19,729.98 and 5,766.92

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Solution

The fourth proportional to 13,166.60, 19,729.98 and 5,766.92 is: 8,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.60 : 19,729.98 = 5,766.92 : x
  2. Step 2: Convert to fraction form
    13,166.60/19,729.98 = 5,766.92/x
  3. Step 3: Cross multiply
    13,166.60x = 19,729.98 × 5,766.92
  4. Step 4: Simplify right side
    13,166.60x = 113,781,216.26
  5. Step 5: Solve for x
    x = 113,781,216.26/13,166.60
  6. Step 6: Final answer
    x = 8,641.66

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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.