Home / 16,187.38-22,339.53-10,800.54

Finding the Fourth Proportional to 16,187.38, 22,339.53 and 10,800.54

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Solution

The fourth proportional to 16,187.38, 22,339.53 and 10,800.54 is: 14,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.38 : 22,339.53 = 10,800.54 : x
  2. Step 2: Convert to fraction form
    16,187.38/22,339.53 = 10,800.54/x
  3. Step 3: Cross multiply
    16,187.38x = 22,339.53 × 10,800.54
  4. Step 4: Simplify right side
    16,187.38x = 241,278,987.35
  5. Step 5: Solve for x
    x = 241,278,987.35/16,187.38
  6. Step 6: Final answer
    x = 14,905.38

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Half scale
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Double scale
Find fourth proportional to 16,188.38, 22,340.91 and 10,801.54
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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.