Home / 29,222.92-40,340.40-18,626.50

Finding the Fourth Proportional to 29,222.92, 40,340.40 and 18,626.50

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Solution

The fourth proportional to 29,222.92, 40,340.40 and 18,626.50 is: 25,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,222.92 : 40,340.40 = 18,626.50 : x
  2. Step 2: Convert to fraction form
    29,222.92/40,340.40 = 18,626.50/x
  3. Step 3: Cross multiply
    29,222.92x = 40,340.40 × 18,626.50
  4. Step 4: Simplify right side
    29,222.92x = 751,400,460.60
  5. Step 5: Solve for x
    x = 751,400,460.60/29,222.92
  6. Step 6: Final answer
    x = 25,712.71

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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.