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Finding the Fourth Proportional to 18,994.77, 26,211.47 and 10,496.81

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Solution

The fourth proportional to 18,994.77, 26,211.47 and 10,496.81 is: 14,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.77 : 26,211.47 = 10,496.81 : x
  2. Step 2: Convert to fraction form
    18,994.77/26,211.47 = 10,496.81/x
  3. Step 3: Cross multiply
    18,994.77x = 26,211.47 × 10,496.81
  4. Step 4: Simplify right side
    18,994.77x = 275,136,922.02
  5. Step 5: Solve for x
    x = 275,136,922.02/18,994.77
  6. Step 6: Final answer
    x = 14,484.88

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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.