Home / 16,845.40-25,268.10-10,612.45

Finding the Fourth Proportional to 16,845.40, 25,268.10 and 10,612.45

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Solution

The fourth proportional to 16,845.40, 25,268.10 and 10,612.45 is: 15,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.40 : 25,268.10 = 10,612.45 : x
  2. Step 2: Convert to fraction form
    16,845.40/25,268.10 = 10,612.45/x
  3. Step 3: Cross multiply
    16,845.40x = 25,268.10 × 10,612.45
  4. Step 4: Simplify right side
    16,845.40x = 268,156,447.85
  5. Step 5: Solve for x
    x = 268,156,447.85/16,845.40
  6. Step 6: Final answer
    x = 15,918.68

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Similar ratio
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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.