Home / 36,860.64-55,273.68-13,470.72

Finding the Fourth Proportional to 36,860.64, 55,273.68 and 13,470.72

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Solution

The fourth proportional to 36,860.64, 55,273.68 and 13,470.72 is: 20,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.64 : 55,273.68 = 13,470.72 : x
  2. Step 2: Convert to fraction form
    36,860.64/55,273.68 = 13,470.72/x
  3. Step 3: Cross multiply
    36,860.64x = 55,273.68 × 13,470.72
  4. Step 4: Simplify right side
    36,860.64x = 744,576,266.65
  5. Step 5: Solve for x
    x = 744,576,266.65/36,860.64
  6. Step 6: Final answer
    x = 20,199.77

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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.