Home / 18,193.01-27,288.50-7,658.55

Finding the Fourth Proportional to 18,193.01, 27,288.50 and 7,658.55

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Solution

The fourth proportional to 18,193.01, 27,288.50 and 7,658.55 is: 11,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.01 : 27,288.50 = 7,658.55 : x
  2. Step 2: Convert to fraction form
    18,193.01/27,288.50 = 7,658.55/x
  3. Step 3: Cross multiply
    18,193.01x = 27,288.50 × 7,658.55
  4. Step 4: Simplify right side
    18,193.01x = 208,990,303.38
  5. Step 5: Solve for x
    x = 208,990,303.38/18,193.01
  6. Step 6: Final answer
    x = 11,487.40

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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.