Home / 18,667.04-28,002.08-6,186.56

Finding the Fourth Proportional to 18,667.04, 28,002.08 and 6,186.56

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Solution

The fourth proportional to 18,667.04, 28,002.08 and 6,186.56 is: 9,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.04 : 28,002.08 = 6,186.56 : x
  2. Step 2: Convert to fraction form
    18,667.04/28,002.08 = 6,186.56/x
  3. Step 3: Cross multiply
    18,667.04x = 28,002.08 × 6,186.56
  4. Step 4: Simplify right side
    18,667.04x = 173,236,548.04
  5. Step 5: Solve for x
    x = 173,236,548.04/18,667.04
  6. Step 6: Final answer
    x = 9,280.34

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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.