Home / 20,260.02-27,925.36-13,543.19

Finding the Fourth Proportional to 20,260.02, 27,925.36 and 13,543.19

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Solution

The fourth proportional to 20,260.02, 27,925.36 and 13,543.19 is: 18,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.02 : 27,925.36 = 13,543.19 : x
  2. Step 2: Convert to fraction form
    20,260.02/27,925.36 = 13,543.19/x
  3. Step 3: Cross multiply
    20,260.02x = 27,925.36 × 13,543.19
  4. Step 4: Simplify right side
    20,260.02x = 378,198,456.30
  5. Step 5: Solve for x
    x = 378,198,456.30/20,260.02
  6. Step 6: Final answer
    x = 18,667.23

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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.