Home / 15,936.72-23,908.77-5,406.18

Finding the Fourth Proportional to 15,936.72, 23,908.77 and 5,406.18

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Solution

The fourth proportional to 15,936.72, 23,908.77 and 5,406.18 is: 8,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.72 : 23,908.77 = 5,406.18 : x
  2. Step 2: Convert to fraction form
    15,936.72/23,908.77 = 5,406.18/x
  3. Step 3: Cross multiply
    15,936.72x = 23,908.77 × 5,406.18
  4. Step 4: Simplify right side
    15,936.72x = 129,255,114.20
  5. Step 5: Solve for x
    x = 129,255,114.20/15,936.72
  6. Step 6: Final answer
    x = 8,110.52

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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.