Home / 15,835.88-23,754.10-5,979.80

Finding the Fourth Proportional to 15,835.88, 23,754.10 and 5,979.80

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Solution

The fourth proportional to 15,835.88, 23,754.10 and 5,979.80 is: 8,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.88 : 23,754.10 = 5,979.80 : x
  2. Step 2: Convert to fraction form
    15,835.88/23,754.10 = 5,979.80/x
  3. Step 3: Cross multiply
    15,835.88x = 23,754.10 × 5,979.80
  4. Step 4: Simplify right side
    15,835.88x = 142,044,767.18
  5. Step 5: Solve for x
    x = 142,044,767.18/15,835.88
  6. Step 6: Final answer
    x = 8,969.81

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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.