Home / 14,320.41-19,761.80-7,946.97

Finding the Fourth Proportional to 14,320.41, 19,761.80 and 7,946.97

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Solution

The fourth proportional to 14,320.41, 19,761.80 and 7,946.97 is: 10,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.41 : 19,761.80 = 7,946.97 : x
  2. Step 2: Convert to fraction form
    14,320.41/19,761.80 = 7,946.97/x
  3. Step 3: Cross multiply
    14,320.41x = 19,761.80 × 7,946.97
  4. Step 4: Simplify right side
    14,320.41x = 157,046,392.01
  5. Step 5: Solve for x
    x = 157,046,392.01/14,320.41
  6. Step 6: Final answer
    x = 10,966.61

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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.