Home / 15,510.97-23,270.36-4,981.94

Finding the Fourth Proportional to 15,510.97, 23,270.36 and 4,981.94

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Solution

The fourth proportional to 15,510.97, 23,270.36 and 4,981.94 is: 7,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.97 : 23,270.36 = 4,981.94 : x
  2. Step 2: Convert to fraction form
    15,510.97/23,270.36 = 4,981.94/x
  3. Step 3: Cross multiply
    15,510.97x = 23,270.36 × 4,981.94
  4. Step 4: Simplify right side
    15,510.97x = 115,931,537.30
  5. Step 5: Solve for x
    x = 115,931,537.30/15,510.97
  6. Step 6: Final answer
    x = 7,474.16

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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.