Home / 14,239.08-19,649.86-7,951.46

Finding the Fourth Proportional to 14,239.08, 19,649.86 and 7,951.46

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Solution

The fourth proportional to 14,239.08, 19,649.86 and 7,951.46 is: 10,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.08 : 19,649.86 = 7,951.46 : x
  2. Step 2: Convert to fraction form
    14,239.08/19,649.86 = 7,951.46/x
  3. Step 3: Cross multiply
    14,239.08x = 19,649.86 × 7,951.46
  4. Step 4: Simplify right side
    14,239.08x = 156,244,957.67
  5. Step 5: Solve for x
    x = 156,244,957.67/14,239.08
  6. Step 6: Final answer
    x = 10,972.97

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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.