Home / 15,987.84-23,982.21-4,301.07

Finding the Fourth Proportional to 15,987.84, 23,982.21 and 4,301.07

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Solution

The fourth proportional to 15,987.84, 23,982.21 and 4,301.07 is: 6,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.84 : 23,982.21 = 4,301.07 : x
  2. Step 2: Convert to fraction form
    15,987.84/23,982.21 = 4,301.07/x
  3. Step 3: Cross multiply
    15,987.84x = 23,982.21 × 4,301.07
  4. Step 4: Simplify right side
    15,987.84x = 103,149,163.96
  5. Step 5: Solve for x
    x = 103,149,163.96/15,987.84
  6. Step 6: Final answer
    x = 6,451.73

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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.