Home / 21,515.97-32,273.96-7,655.25

Finding the Fourth Proportional to 21,515.97, 32,273.96 and 7,655.25

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Solution

The fourth proportional to 21,515.97, 32,273.96 and 7,655.25 is: 11,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,515.97 : 32,273.96 = 7,655.25 : x
  2. Step 2: Convert to fraction form
    21,515.97/32,273.96 = 7,655.25/x
  3. Step 3: Cross multiply
    21,515.97x = 32,273.96 × 7,655.25
  4. Step 4: Simplify right side
    21,515.97x = 247,065,194.01
  5. Step 5: Solve for x
    x = 247,065,194.01/21,515.97
  6. Step 6: Final answer
    x = 11,482.88

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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.