Home / 15,738.41-21,722.70-9,023.92

Finding the Fourth Proportional to 15,738.41, 21,722.70 and 9,023.92

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Solution

The fourth proportional to 15,738.41, 21,722.70 and 9,023.92 is: 12,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,738.41 : 21,722.70 = 9,023.92 : x
  2. Step 2: Convert to fraction form
    15,738.41/21,722.70 = 9,023.92/x
  3. Step 3: Cross multiply
    15,738.41x = 21,722.70 × 9,023.92
  4. Step 4: Simplify right side
    15,738.41x = 196,023,906.98
  5. Step 5: Solve for x
    x = 196,023,906.98/15,738.41
  6. Step 6: Final answer
    x = 12,455.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.