Home / 36,681.66-55,015.20-17,953.65

Finding the Fourth Proportional to 36,681.66, 55,015.20 and 17,953.65

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Solution

The fourth proportional to 36,681.66, 55,015.20 and 17,953.65 is: 26,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.66 : 55,015.20 = 17,953.65 : x
  2. Step 2: Convert to fraction form
    36,681.66/55,015.20 = 17,953.65/x
  3. Step 3: Cross multiply
    36,681.66x = 55,015.20 × 17,953.65
  4. Step 4: Simplify right side
    36,681.66x = 987,723,645.48
  5. Step 5: Solve for x
    x = 987,723,645.48/36,681.66
  6. Step 6: Final answer
    x = 26,926.91

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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.