Home / 26,380.51-39,574.66-7,658.12

Finding the Fourth Proportional to 26,380.51, 39,574.66 and 7,658.12

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Solution

The fourth proportional to 26,380.51, 39,574.66 and 7,658.12 is: 11,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.51 : 39,574.66 = 7,658.12 : x
  2. Step 2: Convert to fraction form
    26,380.51/39,574.66 = 7,658.12/x
  3. Step 3: Cross multiply
    26,380.51x = 39,574.66 × 7,658.12
  4. Step 4: Simplify right side
    26,380.51x = 303,067,495.24
  5. Step 5: Solve for x
    x = 303,067,495.24/26,380.51
  6. Step 6: Final answer
    x = 11,488.31

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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.