Home / 14,686.73-20,267.13-7,972.22

Finding the Fourth Proportional to 14,686.73, 20,267.13 and 7,972.22

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Solution

The fourth proportional to 14,686.73, 20,267.13 and 7,972.22 is: 11,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.73 : 20,267.13 = 7,972.22 : x
  2. Step 2: Convert to fraction form
    14,686.73/20,267.13 = 7,972.22/x
  3. Step 3: Cross multiply
    14,686.73x = 20,267.13 × 7,972.22
  4. Step 4: Simplify right side
    14,686.73x = 161,573,917.79
  5. Step 5: Solve for x
    x = 161,573,917.79/14,686.73
  6. Step 6: Final answer
    x = 11,001.36

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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.