Home / 22,976.72-31,682.76-15,511.76

Finding the Fourth Proportional to 22,976.72, 31,682.76 and 15,511.76

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Solution

The fourth proportional to 22,976.72, 31,682.76 and 15,511.76 is: 21,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,976.72 : 31,682.76 = 15,511.76 : x
  2. Step 2: Convert to fraction form
    22,976.72/31,682.76 = 15,511.76/x
  3. Step 3: Cross multiply
    22,976.72x = 31,682.76 × 15,511.76
  4. Step 4: Simplify right side
    22,976.72x = 491,455,369.26
  5. Step 5: Solve for x
    x = 491,455,369.26/22,976.72
  6. Step 6: Final answer
    x = 21,389.27

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Half scale
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Double scale
Find fourth proportional to 22,977.72, 31,684.14 and 15,512.76
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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.