Home / 14,105.94-21,117.39-10,424.61

Finding the Fourth Proportional to 14,105.94, 21,117.39 and 10,424.61

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Solution

The fourth proportional to 14,105.94, 21,117.39 and 10,424.61 is: 15,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.94 : 21,117.39 = 10,424.61 : x
  2. Step 2: Convert to fraction form
    14,105.94/21,117.39 = 10,424.61/x
  3. Step 3: Cross multiply
    14,105.94x = 21,117.39 × 10,424.61
  4. Step 4: Simplify right side
    14,105.94x = 220,140,554.97
  5. Step 5: Solve for x
    x = 220,140,554.97/14,105.94
  6. Step 6: Final answer
    x = 15,606.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.