Home / 15,013.57-22,521.93-5,153.65

Finding the Fourth Proportional to 15,013.57, 22,521.93 and 5,153.65

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Solution

The fourth proportional to 15,013.57, 22,521.93 and 5,153.65 is: 7,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.57 : 22,521.93 = 5,153.65 : x
  2. Step 2: Convert to fraction form
    15,013.57/22,521.93 = 5,153.65/x
  3. Step 3: Cross multiply
    15,013.57x = 22,521.93 × 5,153.65
  4. Step 4: Simplify right side
    15,013.57x = 116,070,144.54
  5. Step 5: Solve for x
    x = 116,070,144.54/15,013.57
  6. Step 6: Final answer
    x = 7,731.02

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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.