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Finding the Fourth Proportional to 18,994.56, 26,206.74 and 11,035.23

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Solution

The fourth proportional to 18,994.56, 26,206.74 and 11,035.23 is: 15,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.56 : 26,206.74 = 11,035.23 : x
  2. Step 2: Convert to fraction form
    18,994.56/26,206.74 = 11,035.23/x
  3. Step 3: Cross multiply
    18,994.56x = 26,206.74 × 11,035.23
  4. Step 4: Simplify right side
    18,994.56x = 289,197,403.45
  5. Step 5: Solve for x
    x = 289,197,403.45/18,994.56
  6. Step 6: Final answer
    x = 15,225.28

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Double scale
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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.