Home / 13,234.14-18,259.55-7,567.72

Finding the Fourth Proportional to 13,234.14, 18,259.55 and 7,567.72

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Solution

The fourth proportional to 13,234.14, 18,259.55 and 7,567.72 is: 10,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.14 : 18,259.55 = 7,567.72 : x
  2. Step 2: Convert to fraction form
    13,234.14/18,259.55 = 7,567.72/x
  3. Step 3: Cross multiply
    13,234.14x = 18,259.55 × 7,567.72
  4. Step 4: Simplify right side
    13,234.14x = 138,183,207.37
  5. Step 5: Solve for x
    x = 138,183,207.37/13,234.14
  6. Step 6: Final answer
    x = 10,441.42

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Half scale
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Double scale
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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.