Home / 16,078.60-22,189.65-9,706.76

Finding the Fourth Proportional to 16,078.60, 22,189.65 and 9,706.76

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Solution

The fourth proportional to 16,078.60, 22,189.65 and 9,706.76 is: 13,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.60 : 22,189.65 = 9,706.76 : x
  2. Step 2: Convert to fraction form
    16,078.60/22,189.65 = 9,706.76/x
  3. Step 3: Cross multiply
    16,078.60x = 22,189.65 × 9,706.76
  4. Step 4: Simplify right side
    16,078.60x = 215,389,558.50
  5. Step 5: Solve for x
    x = 215,389,558.50/16,078.60
  6. Step 6: Final answer
    x = 13,396.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.