Home / 15,119.40-22,679.46-5,758.20

Finding the Fourth Proportional to 15,119.40, 22,679.46 and 5,758.20

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Solution

The fourth proportional to 15,119.40, 22,679.46 and 5,758.20 is: 8,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.40 : 22,679.46 = 5,758.20 : x
  2. Step 2: Convert to fraction form
    15,119.40/22,679.46 = 5,758.20/x
  3. Step 3: Cross multiply
    15,119.40x = 22,679.46 × 5,758.20
  4. Step 4: Simplify right side
    15,119.40x = 130,592,866.57
  5. Step 5: Solve for x
    x = 130,592,866.57/15,119.40
  6. Step 6: Final answer
    x = 8,637.44

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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.