Home / 15,253.72-22,876.47-5,390.35

Finding the Fourth Proportional to 15,253.72, 22,876.47 and 5,390.35

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Solution

The fourth proportional to 15,253.72, 22,876.47 and 5,390.35 is: 8,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.72 : 22,876.47 = 5,390.35 : x
  2. Step 2: Convert to fraction form
    15,253.72/22,876.47 = 5,390.35/x
  3. Step 3: Cross multiply
    15,253.72x = 22,876.47 × 5,390.35
  4. Step 4: Simplify right side
    15,253.72x = 123,312,180.06
  5. Step 5: Solve for x
    x = 123,312,180.06/15,253.72
  6. Step 6: Final answer
    x = 8,084.07

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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.