Home / 15,839.77-23,759.67-4,747.63

Finding the Fourth Proportional to 15,839.77, 23,759.67 and 4,747.63

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Solution

The fourth proportional to 15,839.77, 23,759.67 and 4,747.63 is: 7,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.77 : 23,759.67 = 4,747.63 : x
  2. Step 2: Convert to fraction form
    15,839.77/23,759.67 = 4,747.63/x
  3. Step 3: Cross multiply
    15,839.77x = 23,759.67 × 4,747.63
  4. Step 4: Simplify right side
    15,839.77x = 112,802,122.08
  5. Step 5: Solve for x
    x = 112,802,122.08/15,839.77
  6. Step 6: Final answer
    x = 7,121.45

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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.