Home / 15,990.66-23,984.97-4,896.30

Finding the Fourth Proportional to 15,990.66, 23,984.97 and 4,896.30

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Solution

The fourth proportional to 15,990.66, 23,984.97 and 4,896.30 is: 7,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.66 : 23,984.97 = 4,896.30 : x
  2. Step 2: Convert to fraction form
    15,990.66/23,984.97 = 4,896.30/x
  3. Step 3: Cross multiply
    15,990.66x = 23,984.97 × 4,896.30
  4. Step 4: Simplify right side
    15,990.66x = 117,437,608.61
  5. Step 5: Solve for x
    x = 117,437,608.61/15,990.66
  6. Step 6: Final answer
    x = 7,344.14

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1.5x scale

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.