Home / 15,135.27-22,706.70-5,274.64

Finding the Fourth Proportional to 15,135.27, 22,706.70 and 5,274.64

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Solution

The fourth proportional to 15,135.27, 22,706.70 and 5,274.64 is: 7,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.27 : 22,706.70 = 5,274.64 : x
  2. Step 2: Convert to fraction form
    15,135.27/22,706.70 = 5,274.64/x
  3. Step 3: Cross multiply
    15,135.27x = 22,706.70 × 5,274.64
  4. Step 4: Simplify right side
    15,135.27x = 119,769,668.09
  5. Step 5: Solve for x
    x = 119,769,668.09/15,135.27
  6. Step 6: Final answer
    x = 7,913.28

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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.