Home / 22,887.96-31,572.48-13,326.72

Finding the Fourth Proportional to 22,887.96, 31,572.48 and 13,326.72

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Solution

The fourth proportional to 22,887.96, 31,572.48 and 13,326.72 is: 18,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,887.96 : 31,572.48 = 13,326.72 : x
  2. Step 2: Convert to fraction form
    22,887.96/31,572.48 = 13,326.72/x
  3. Step 3: Cross multiply
    22,887.96x = 31,572.48 × 13,326.72
  4. Step 4: Simplify right side
    22,887.96x = 420,757,600.67
  5. Step 5: Solve for x
    x = 420,757,600.67/22,887.96
  6. Step 6: Final answer
    x = 18,383.36

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Half scale
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Similar ratio
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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.