Home / 27,175.16-37,488.96-19,221.77

Finding the Fourth Proportional to 27,175.16, 37,488.96 and 19,221.77

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Solution

The fourth proportional to 27,175.16, 37,488.96 and 19,221.77 is: 26,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.16 : 37,488.96 = 19,221.77 : x
  2. Step 2: Convert to fraction form
    27,175.16/37,488.96 = 19,221.77/x
  3. Step 3: Cross multiply
    27,175.16x = 37,488.96 × 19,221.77
  4. Step 4: Simplify right side
    27,175.16x = 720,603,979.21
  5. Step 5: Solve for x
    x = 720,603,979.21/27,175.16
  6. Step 6: Final answer
    x = 26,517.01

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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.