Home / 22,180.97-30,573.27-15,722.77

Finding the Fourth Proportional to 22,180.97, 30,573.27 and 15,722.77

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Solution

The fourth proportional to 22,180.97, 30,573.27 and 15,722.77 is: 21,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.97 : 30,573.27 = 15,722.77 : x
  2. Step 2: Convert to fraction form
    22,180.97/30,573.27 = 15,722.77/x
  3. Step 3: Cross multiply
    22,180.97x = 30,573.27 × 15,722.77
  4. Step 4: Simplify right side
    22,180.97x = 480,696,492.36
  5. Step 5: Solve for x
    x = 480,696,492.36/22,180.97
  6. Step 6: Final answer
    x = 21,671.57

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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.