Home / 26,429.36-39,644.85-7,708.95

Finding the Fourth Proportional to 26,429.36, 39,644.85 and 7,708.95

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Solution

The fourth proportional to 26,429.36, 39,644.85 and 7,708.95 is: 11,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.36 : 39,644.85 = 7,708.95 : x
  2. Step 2: Convert to fraction form
    26,429.36/39,644.85 = 7,708.95/x
  3. Step 3: Cross multiply
    26,429.36x = 39,644.85 × 7,708.95
  4. Step 4: Simplify right side
    26,429.36x = 305,619,968.18
  5. Step 5: Solve for x
    x = 305,619,968.18/26,429.36
  6. Step 6: Final answer
    x = 11,563.65

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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.