Home / 19,102.45-26,378.19-11,944.63

Finding the Fourth Proportional to 19,102.45, 26,378.19 and 11,944.63

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Solution

The fourth proportional to 19,102.45, 26,378.19 and 11,944.63 is: 16,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.45 : 26,378.19 = 11,944.63 : x
  2. Step 2: Convert to fraction form
    19,102.45/26,378.19 = 11,944.63/x
  3. Step 3: Cross multiply
    19,102.45x = 26,378.19 × 11,944.63
  4. Step 4: Simplify right side
    19,102.45x = 315,077,719.62
  5. Step 5: Solve for x
    x = 315,077,719.62/19,102.45
  6. Step 6: Final answer
    x = 16,494.10

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Half scale
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Double 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.