Home / 23,815.02-32,845.77-15,318.12

Finding the Fourth Proportional to 23,815.02, 32,845.77 and 15,318.12

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Solution

The fourth proportional to 23,815.02, 32,845.77 and 15,318.12 is: 21,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.02 : 32,845.77 = 15,318.12 : x
  2. Step 2: Convert to fraction form
    23,815.02/32,845.77 = 15,318.12/x
  3. Step 3: Cross multiply
    23,815.02x = 32,845.77 × 15,318.12
  4. Step 4: Simplify right side
    23,815.02x = 503,135,446.35
  5. Step 5: Solve for x
    x = 503,135,446.35/23,815.02
  6. Step 6: Final answer
    x = 21,126.81

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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.