Home / 21,551.28-32,326.86-6,760.18

Finding the Fourth Proportional to 21,551.28, 32,326.86 and 6,760.18

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Solution

The fourth proportional to 21,551.28, 32,326.86 and 6,760.18 is: 10,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.28 : 32,326.86 = 6,760.18 : x
  2. Step 2: Convert to fraction form
    21,551.28/32,326.86 = 6,760.18/x
  3. Step 3: Cross multiply
    21,551.28x = 32,326.86 × 6,760.18
  4. Step 4: Simplify right side
    21,551.28x = 218,535,392.43
  5. Step 5: Solve for x
    x = 218,535,392.43/21,551.28
  6. Step 6: Final answer
    x = 10,140.25

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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.