Home / 15,982.68-23,963.64-6,620.16

Finding the Fourth Proportional to 15,982.68, 23,963.64 and 6,620.16

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Solution

The fourth proportional to 15,982.68, 23,963.64 and 6,620.16 is: 9,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.68 : 23,963.64 = 6,620.16 : x
  2. Step 2: Convert to fraction form
    15,982.68/23,963.64 = 6,620.16/x
  3. Step 3: Cross multiply
    15,982.68x = 23,963.64 × 6,620.16
  4. Step 4: Simplify right side
    15,982.68x = 158,643,130.98
  5. Step 5: Solve for x
    x = 158,643,130.98/15,982.68
  6. Step 6: Final answer
    x = 9,925.94

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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.