Home / 14,255.35-19,671.96-7,967.71

Finding the Fourth Proportional to 14,255.35, 19,671.96 and 7,967.71

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Solution

The fourth proportional to 14,255.35, 19,671.96 and 7,967.71 is: 10,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.35 : 19,671.96 = 7,967.71 : x
  2. Step 2: Convert to fraction form
    14,255.35/19,671.96 = 7,967.71/x
  3. Step 3: Cross multiply
    14,255.35x = 19,671.96 × 7,967.71
  4. Step 4: Simplify right side
    14,255.35x = 156,740,472.41
  5. Step 5: Solve for x
    x = 156,740,472.41/14,255.35
  6. Step 6: Final answer
    x = 10,995.20

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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.