Home / 18,162.28-25,006.50-16,501.32

Finding the Fourth Proportional to 18,162.28, 25,006.50 and 16,501.32

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Solution

The fourth proportional to 18,162.28, 25,006.50 and 16,501.32 is: 22,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.28 : 25,006.50 = 16,501.32 : x
  2. Step 2: Convert to fraction form
    18,162.28/25,006.50 = 16,501.32/x
  3. Step 3: Cross multiply
    18,162.28x = 25,006.50 × 16,501.32
  4. Step 4: Simplify right side
    18,162.28x = 412,640,258.58
  5. Step 5: Solve for x
    x = 412,640,258.58/18,162.28
  6. Step 6: Final answer
    x = 22,719.63

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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.