Home / 13,667.90-20,502.66-4,308.22

Finding the Fourth Proportional to 13,667.90, 20,502.66 and 4,308.22

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Solution

The fourth proportional to 13,667.90, 20,502.66 and 4,308.22 is: 6,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.90 : 20,502.66 = 4,308.22 : x
  2. Step 2: Convert to fraction form
    13,667.90/20,502.66 = 4,308.22/x
  3. Step 3: Cross multiply
    13,667.90x = 20,502.66 × 4,308.22
  4. Step 4: Simplify right side
    13,667.90x = 88,329,867.35
  5. Step 5: Solve for x
    x = 88,329,867.35/13,667.90
  6. Step 6: Final answer
    x = 6,462.58

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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.