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Finding the Fourth Proportional to 19,494.76, 26,902.16 and 10,996.76

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Solution

The fourth proportional to 19,494.76, 26,902.16 and 10,996.76 is: 15,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.76 : 26,902.16 = 10,996.76 : x
  2. Step 2: Convert to fraction form
    19,494.76/26,902.16 = 10,996.76/x
  3. Step 3: Cross multiply
    19,494.76x = 26,902.16 × 10,996.76
  4. Step 4: Simplify right side
    19,494.76x = 295,836,597.00
  5. Step 5: Solve for x
    x = 295,836,597.00/19,494.76
  6. Step 6: Final answer
    x = 15,175.19

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Half scale
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Double scale
Find fourth proportional to 19,495.76, 26,903.54 and 10,997.76
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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.