Home / 15,946.80-23,920.20-5,556.12

Finding the Fourth Proportional to 15,946.80, 23,920.20 and 5,556.12

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Solution

The fourth proportional to 15,946.80, 23,920.20 and 5,556.12 is: 8,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.80 : 23,920.20 = 5,556.12 : x
  2. Step 2: Convert to fraction form
    15,946.80/23,920.20 = 5,556.12/x
  3. Step 3: Cross multiply
    15,946.80x = 23,920.20 × 5,556.12
  4. Step 4: Simplify right side
    15,946.80x = 132,903,501.62
  5. Step 5: Solve for x
    x = 132,903,501.62/15,946.80
  6. Step 6: Final answer
    x = 8,334.18

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Similar ratio
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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.