Home / 14,255.92-19,657.11-9,213.49

Finding the Fourth Proportional to 14,255.92, 19,657.11 and 9,213.49

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Solution

The fourth proportional to 14,255.92, 19,657.11 and 9,213.49 is: 12,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.92 : 19,657.11 = 9,213.49 : x
  2. Step 2: Convert to fraction form
    14,255.92/19,657.11 = 9,213.49/x
  3. Step 3: Cross multiply
    14,255.92x = 19,657.11 × 9,213.49
  4. Step 4: Simplify right side
    14,255.92x = 181,110,586.41
  5. Step 5: Solve for x
    x = 181,110,586.41/14,255.92
  6. Step 6: Final answer
    x = 12,704.24

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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.