Home / 15,145.43-22,720.04-5,014.22

Finding the Fourth Proportional to 15,145.43, 22,720.04 and 5,014.22

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Solution

The fourth proportional to 15,145.43, 22,720.04 and 5,014.22 is: 7,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.43 : 22,720.04 = 5,014.22 : x
  2. Step 2: Convert to fraction form
    15,145.43/22,720.04 = 5,014.22/x
  3. Step 3: Cross multiply
    15,145.43x = 22,720.04 × 5,014.22
  4. Step 4: Simplify right side
    15,145.43x = 113,923,140.30
  5. Step 5: Solve for x
    x = 113,923,140.30/15,145.43
  6. Step 6: Final answer
    x = 7,521.95

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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.