Home / 26,148.56-39,220.56-7,429.68

Finding the Fourth Proportional to 26,148.56, 39,220.56 and 7,429.68

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Solution

The fourth proportional to 26,148.56, 39,220.56 and 7,429.68 is: 11,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.56 : 39,220.56 = 7,429.68 : x
  2. Step 2: Convert to fraction form
    26,148.56/39,220.56 = 7,429.68/x
  3. Step 3: Cross multiply
    26,148.56x = 39,220.56 × 7,429.68
  4. Step 4: Simplify right side
    26,148.56x = 291,396,210.22
  5. Step 5: Solve for x
    x = 291,396,210.22/26,148.56
  6. Step 6: Final answer
    x = 11,143.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.