Home / 15,117.28-22,668.72-4,723.36

Finding the Fourth Proportional to 15,117.28, 22,668.72 and 4,723.36

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Solution

The fourth proportional to 15,117.28, 22,668.72 and 4,723.36 is: 7,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.28 : 22,668.72 = 4,723.36 : x
  2. Step 2: Convert to fraction form
    15,117.28/22,668.72 = 4,723.36/x
  3. Step 3: Cross multiply
    15,117.28x = 22,668.72 × 4,723.36
  4. Step 4: Simplify right side
    15,117.28x = 107,072,525.30
  5. Step 5: Solve for x
    x = 107,072,525.30/15,117.28
  6. Step 6: Final answer
    x = 7,082.79

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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.