Home / 13,862.98-20,794.56-5,543.70

Finding the Fourth Proportional to 13,862.98, 20,794.56 and 5,543.70

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Solution

The fourth proportional to 13,862.98, 20,794.56 and 5,543.70 is: 8,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.98 : 20,794.56 = 5,543.70 : x
  2. Step 2: Convert to fraction form
    13,862.98/20,794.56 = 5,543.70/x
  3. Step 3: Cross multiply
    13,862.98x = 20,794.56 × 5,543.70
  4. Step 4: Simplify right side
    13,862.98x = 115,278,802.27
  5. Step 5: Solve for x
    x = 115,278,802.27/13,862.98
  6. Step 6: Final answer
    x = 8,315.59

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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.