Home / 14,667.52-20,242.44-8,381.92

Finding the Fourth Proportional to 14,667.52, 20,242.44 and 8,381.92

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Solution

The fourth proportional to 14,667.52, 20,242.44 and 8,381.92 is: 11,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667.52 : 20,242.44 = 8,381.92 : x
  2. Step 2: Convert to fraction form
    14,667.52/20,242.44 = 8,381.92/x
  3. Step 3: Cross multiply
    14,667.52x = 20,242.44 × 8,381.92
  4. Step 4: Simplify right side
    14,667.52x = 169,670,512.68
  5. Step 5: Solve for x
    x = 169,670,512.68/14,667.52
  6. Step 6: Final answer
    x = 11,567.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.