Home / 15,135.08-22,702.68-5,274.34

Finding the Fourth Proportional to 15,135.08, 22,702.68 and 5,274.34

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Solution

The fourth proportional to 15,135.08, 22,702.68 and 5,274.34 is: 7,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.08 : 22,702.68 = 5,274.34 : x
  2. Step 2: Convert to fraction form
    15,135.08/22,702.68 = 5,274.34/x
  3. Step 3: Cross multiply
    15,135.08x = 22,702.68 × 5,274.34
  4. Step 4: Simplify right side
    15,135.08x = 119,741,596.47
  5. Step 5: Solve for x
    x = 119,741,596.47/15,135.08
  6. Step 6: Final answer
    x = 7,911.53

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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.