Home / 18,724.14-25,838.70-10,766.22

Finding the Fourth Proportional to 18,724.14, 25,838.70 and 10,766.22

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Solution

The fourth proportional to 18,724.14, 25,838.70 and 10,766.22 is: 14,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.14 : 25,838.70 = 10,766.22 : x
  2. Step 2: Convert to fraction form
    18,724.14/25,838.70 = 10,766.22/x
  3. Step 3: Cross multiply
    18,724.14x = 25,838.70 × 10,766.22
  4. Step 4: Simplify right side
    18,724.14x = 278,185,128.71
  5. Step 5: Solve for x
    x = 278,185,128.71/18,724.14
  6. Step 6: Final answer
    x = 14,857.03

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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.