Home / 25,783.60-38,667.16-8,249.24

Finding the Fourth Proportional to 25,783.60, 38,667.16 and 8,249.24

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Solution

The fourth proportional to 25,783.60, 38,667.16 and 8,249.24 is: 12,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.60 : 38,667.16 = 8,249.24 : x
  2. Step 2: Convert to fraction form
    25,783.60/38,667.16 = 8,249.24/x
  3. Step 3: Cross multiply
    25,783.60x = 38,667.16 × 8,249.24
  4. Step 4: Simplify right side
    25,783.60x = 318,974,682.96
  5. Step 5: Solve for x
    x = 318,974,682.96/25,783.60
  6. Step 6: Final answer
    x = 12,371.22

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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.