Home / 21,559.28-32,323.36-6,760.24

Finding the Fourth Proportional to 21,559.28, 32,323.36 and 6,760.24

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Solution

The fourth proportional to 21,559.28, 32,323.36 and 6,760.24 is: 10,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.28 : 32,323.36 = 6,760.24 : x
  2. Step 2: Convert to fraction form
    21,559.28/32,323.36 = 6,760.24/x
  3. Step 3: Cross multiply
    21,559.28x = 32,323.36 × 6,760.24
  4. Step 4: Simplify right side
    21,559.28x = 218,513,671.21
  5. Step 5: Solve for x
    x = 218,513,671.21/21,559.28
  6. Step 6: Final answer
    x = 10,135.48

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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.