Home / 15,733.36-21,712.04-8,563.30

Finding the Fourth Proportional to 15,733.36, 21,712.04 and 8,563.30

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Solution

The fourth proportional to 15,733.36, 21,712.04 and 8,563.30 is: 11,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.36 : 21,712.04 = 8,563.30 : x
  2. Step 2: Convert to fraction form
    15,733.36/21,712.04 = 8,563.30/x
  3. Step 3: Cross multiply
    15,733.36x = 21,712.04 × 8,563.30
  4. Step 4: Simplify right side
    15,733.36x = 185,926,757.24
  5. Step 5: Solve for x
    x = 185,926,757.24/15,733.36
  6. Step 6: Final answer
    x = 11,817.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.