Home / 19,010.86-26,236.34-10,512.81

Finding the Fourth Proportional to 19,010.86, 26,236.34 and 10,512.81

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Solution

The fourth proportional to 19,010.86, 26,236.34 and 10,512.81 is: 14,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.86 : 26,236.34 = 10,512.81 : x
  2. Step 2: Convert to fraction form
    19,010.86/26,236.34 = 10,512.81/x
  3. Step 3: Cross multiply
    19,010.86x = 26,236.34 × 10,512.81
  4. Step 4: Simplify right side
    19,010.86x = 275,817,604.95
  5. Step 5: Solve for x
    x = 275,817,604.95/19,010.86
  6. Step 6: Final answer
    x = 14,508.43

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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.