Home / 14,227.70-19,634.30-7,854.18

Finding the Fourth Proportional to 14,227.70, 19,634.30 and 7,854.18

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Solution

The fourth proportional to 14,227.70, 19,634.30 and 7,854.18 is: 10,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.70 : 19,634.30 = 7,854.18 : x
  2. Step 2: Convert to fraction form
    14,227.70/19,634.30 = 7,854.18/x
  3. Step 3: Cross multiply
    14,227.70x = 19,634.30 × 7,854.18
  4. Step 4: Simplify right side
    14,227.70x = 154,211,346.01
  5. Step 5: Solve for x
    x = 154,211,346.01/14,227.70
  6. Step 6: Final answer
    x = 10,838.81

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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.