Home / 15,138.88-22,708.19-6,258.98

Finding the Fourth Proportional to 15,138.88, 22,708.19 and 6,258.98

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Solution

The fourth proportional to 15,138.88, 22,708.19 and 6,258.98 is: 9,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.88 : 22,708.19 = 6,258.98 : x
  2. Step 2: Convert to fraction form
    15,138.88/22,708.19 = 6,258.98/x
  3. Step 3: Cross multiply
    15,138.88x = 22,708.19 × 6,258.98
  4. Step 4: Simplify right side
    15,138.88x = 142,130,179.46
  5. Step 5: Solve for x
    x = 142,130,179.46/15,138.88
  6. Step 6: Final answer
    x = 9,388.42

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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.