Home / 15,161.88-22,739.94-5,167.08

Finding the Fourth Proportional to 15,161.88, 22,739.94 and 5,167.08

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Solution

The fourth proportional to 15,161.88, 22,739.94 and 5,167.08 is: 7,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.88 : 22,739.94 = 5,167.08 : x
  2. Step 2: Convert to fraction form
    15,161.88/22,739.94 = 5,167.08/x
  3. Step 3: Cross multiply
    15,161.88x = 22,739.94 × 5,167.08
  4. Step 4: Simplify right side
    15,161.88x = 117,499,089.18
  5. Step 5: Solve for x
    x = 117,499,089.18/15,161.88
  6. Step 6: Final answer
    x = 7,749.64

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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.