Home / 13,865.48-20,797.56-5,543.24

Finding the Fourth Proportional to 13,865.48, 20,797.56 and 5,543.24

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Solution

The fourth proportional to 13,865.48, 20,797.56 and 5,543.24 is: 8,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.48 : 20,797.56 = 5,543.24 : x
  2. Step 2: Convert to fraction form
    13,865.48/20,797.56 = 5,543.24/x
  3. Step 3: Cross multiply
    13,865.48x = 20,797.56 × 5,543.24
  4. Step 4: Simplify right side
    13,865.48x = 115,285,762.51
  5. Step 5: Solve for x
    x = 115,285,762.51/13,865.48
  6. Step 6: Final answer
    x = 8,314.59

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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.