Home / 13,001.25-19,505.12-3,767.25

Finding the Fourth Proportional to 13,001.25, 19,505.12 and 3,767.25

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Solution

The fourth proportional to 13,001.25, 19,505.12 and 3,767.25 is: 5,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.25 : 19,505.12 = 3,767.25 : x
  2. Step 2: Convert to fraction form
    13,001.25/19,505.12 = 3,767.25/x
  3. Step 3: Cross multiply
    13,001.25x = 19,505.12 × 3,767.25
  4. Step 4: Simplify right side
    13,001.25x = 73,480,644.48
  5. Step 5: Solve for x
    x = 73,480,644.48/13,001.25
  6. Step 6: Final answer
    x = 5,651.81

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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.