Home / 18,722.13-25,838.06-10,766.94

Finding the Fourth Proportional to 18,722.13, 25,838.06 and 10,766.94

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Solution

The fourth proportional to 18,722.13, 25,838.06 and 10,766.94 is: 14,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.13 : 25,838.06 = 10,766.94 : x
  2. Step 2: Convert to fraction form
    18,722.13/25,838.06 = 10,766.94/x
  3. Step 3: Cross multiply
    18,722.13x = 25,838.06 × 10,766.94
  4. Step 4: Simplify right side
    18,722.13x = 278,196,787.90
  5. Step 5: Solve for x
    x = 278,196,787.90/18,722.13
  6. Step 6: Final answer
    x = 14,859.25

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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.