Home / 13,701.78-20,556.70-5,800.22

Finding the Fourth Proportional to 13,701.78, 20,556.70 and 5,800.22

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Solution

The fourth proportional to 13,701.78, 20,556.70 and 5,800.22 is: 8,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.78 : 20,556.70 = 5,800.22 : x
  2. Step 2: Convert to fraction form
    13,701.78/20,556.70 = 5,800.22/x
  3. Step 3: Cross multiply
    13,701.78x = 20,556.70 × 5,800.22
  4. Step 4: Simplify right side
    13,701.78x = 119,233,382.47
  5. Step 5: Solve for x
    x = 119,233,382.47/13,701.78
  6. Step 6: Final answer
    x = 8,702.04

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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.