Home / 36,891.99-55,345.10-11,938.23

Finding the Fourth Proportional to 36,891.99, 55,345.10 and 11,938.23

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Solution

The fourth proportional to 36,891.99, 55,345.10 and 11,938.23 is: 17,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.99 : 55,345.10 = 11,938.23 : x
  2. Step 2: Convert to fraction form
    36,891.99/55,345.10 = 11,938.23/x
  3. Step 3: Cross multiply
    36,891.99x = 55,345.10 × 11,938.23
  4. Step 4: Simplify right side
    36,891.99x = 660,722,473.48
  5. Step 5: Solve for x
    x = 660,722,473.48/36,891.99
  6. Step 6: Final answer
    x = 17,909.65

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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.