Home / 15,899.16-23,855.52-7,997.52

Finding the Fourth Proportional to 15,899.16, 23,855.52 and 7,997.52

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Solution

The fourth proportional to 15,899.16, 23,855.52 and 7,997.52 is: 11,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.16 : 23,855.52 = 7,997.52 : x
  2. Step 2: Convert to fraction form
    15,899.16/23,855.52 = 7,997.52/x
  3. Step 3: Cross multiply
    15,899.16x = 23,855.52 × 7,997.52
  4. Step 4: Simplify right side
    15,899.16x = 190,784,998.31
  5. Step 5: Solve for x
    x = 190,784,998.31/15,899.16
  6. Step 6: Final answer
    x = 11,999.69

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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.