Home / 25,667.27-38,502.27-8,138.47

Finding the Fourth Proportional to 25,667.27, 38,502.27 and 8,138.47

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Solution

The fourth proportional to 25,667.27, 38,502.27 and 8,138.47 is: 12,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.27 : 38,502.27 = 8,138.47 : x
  2. Step 2: Convert to fraction form
    25,667.27/38,502.27 = 8,138.47/x
  3. Step 3: Cross multiply
    25,667.27x = 38,502.27 × 8,138.47
  4. Step 4: Simplify right side
    25,667.27x = 313,349,569.33
  5. Step 5: Solve for x
    x = 313,349,569.33/25,667.27
  6. Step 6: Final answer
    x = 12,208.14

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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.