Home / 19,177.68-28,734.06-12,165.60

Finding the Fourth Proportional to 19,177.68, 28,734.06 and 12,165.60

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Solution

The fourth proportional to 19,177.68, 28,734.06 and 12,165.60 is: 18,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.68 : 28,734.06 = 12,165.60 : x
  2. Step 2: Convert to fraction form
    19,177.68/28,734.06 = 12,165.60/x
  3. Step 3: Cross multiply
    19,177.68x = 28,734.06 × 12,165.60
  4. Step 4: Simplify right side
    19,177.68x = 349,567,080.34
  5. Step 5: Solve for x
    x = 349,567,080.34/19,177.68
  6. Step 6: Final answer
    x = 18,227.81

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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.