Home / 14,738.78-20,339.91-8,024.69

Finding the Fourth Proportional to 14,738.78, 20,339.91 and 8,024.69

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Solution

The fourth proportional to 14,738.78, 20,339.91 and 8,024.69 is: 11,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.78 : 20,339.91 = 8,024.69 : x
  2. Step 2: Convert to fraction form
    14,738.78/20,339.91 = 8,024.69/x
  3. Step 3: Cross multiply
    14,738.78x = 20,339.91 × 8,024.69
  4. Step 4: Simplify right side
    14,738.78x = 163,221,472.38
  5. Step 5: Solve for x
    x = 163,221,472.38/14,738.78
  6. Step 6: Final answer
    x = 11,074.29

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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.