Home / 20,360.00-30,678.69-16,743.24

Finding the Fourth Proportional to 20,360.00, 30,678.69 and 16,743.24

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Solution

The fourth proportional to 20,360.00, 30,678.69 and 16,743.24 is: 25,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.00 : 30,678.69 = 16,743.24 : x
  2. Step 2: Convert to fraction form
    20,360.00/30,678.69 = 16,743.24/x
  3. Step 3: Cross multiply
    20,360.00x = 30,678.69 × 16,743.24
  4. Step 4: Simplify right side
    20,360.00x = 513,660,669.56
  5. Step 5: Solve for x
    x = 513,660,669.56/20,360.00
  6. Step 6: Final answer
    x = 25,228.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.