Home / 15,021.72-22,533.80-5,161.01

Finding the Fourth Proportional to 15,021.72, 22,533.80 and 5,161.01

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Solution

The fourth proportional to 15,021.72, 22,533.80 and 5,161.01 is: 7,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.72 : 22,533.80 = 5,161.01 : x
  2. Step 2: Convert to fraction form
    15,021.72/22,533.80 = 5,161.01/x
  3. Step 3: Cross multiply
    15,021.72x = 22,533.80 × 5,161.01
  4. Step 4: Simplify right side
    15,021.72x = 116,297,028.66
  5. Step 5: Solve for x
    x = 116,297,028.66/15,021.72
  6. Step 6: Final answer
    x = 7,741.92

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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.