Home / 18,160.92-25,026.30-11,862.36

Finding the Fourth Proportional to 18,160.92, 25,026.30 and 11,862.36

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Solution

The fourth proportional to 18,160.92, 25,026.30 and 11,862.36 is: 16,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.92 : 25,026.30 = 11,862.36 : x
  2. Step 2: Convert to fraction form
    18,160.92/25,026.30 = 11,862.36/x
  3. Step 3: Cross multiply
    18,160.92x = 25,026.30 × 11,862.36
  4. Step 4: Simplify right side
    18,160.92x = 296,870,980.07
  5. Step 5: Solve for x
    x = 296,870,980.07/18,160.92
  6. Step 6: Final answer
    x = 16,346.69

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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.