Home / 18,118.60-27,196.14-10,730.44

Finding the Fourth Proportional to 18,118.60, 27,196.14 and 10,730.44

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Solution

The fourth proportional to 18,118.60, 27,196.14 and 10,730.44 is: 16,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.60 : 27,196.14 = 10,730.44 : x
  2. Step 2: Convert to fraction form
    18,118.60/27,196.14 = 10,730.44/x
  3. Step 3: Cross multiply
    18,118.60x = 27,196.14 × 10,730.44
  4. Step 4: Simplify right side
    18,118.60x = 291,826,548.50
  5. Step 5: Solve for x
    x = 291,826,548.50/18,118.60
  6. Step 6: Final answer
    x = 16,106.46

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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.