Home / 12,444.75-18,667.13-4,236.75

Finding the Fourth Proportional to 12,444.75, 18,667.13 and 4,236.75

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Solution

The fourth proportional to 12,444.75, 18,667.13 and 4,236.75 is: 6,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.75 : 18,667.13 = 4,236.75 : x
  2. Step 2: Convert to fraction form
    12,444.75/18,667.13 = 4,236.75/x
  3. Step 3: Cross multiply
    12,444.75x = 18,667.13 × 4,236.75
  4. Step 4: Simplify right side
    12,444.75x = 79,087,941.84
  5. Step 5: Solve for x
    x = 79,087,941.84/12,444.75
  6. Step 6: Final answer
    x = 6,355.13

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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.