Home / 16,747.60-25,219.39-12,395.68

Finding the Fourth Proportional to 16,747.60, 25,219.39 and 12,395.68

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Solution

The fourth proportional to 16,747.60, 25,219.39 and 12,395.68 is: 18,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.60 : 25,219.39 = 12,395.68 : x
  2. Step 2: Convert to fraction form
    16,747.60/25,219.39 = 12,395.68/x
  3. Step 3: Cross multiply
    16,747.60x = 25,219.39 × 12,395.68
  4. Step 4: Simplify right side
    16,747.60x = 312,611,488.24
  5. Step 5: Solve for x
    x = 312,611,488.24/16,747.60
  6. Step 6: Final answer
    x = 18,666.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.