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Finding the Fourth Proportional to 18,924.96, 26,091 and 13,252.08

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Solution

The fourth proportional to 18,924.96, 26,091 and 13,252.08 is: 18,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.96 : 26,091 = 13,252.08 : x
  2. Step 2: Convert to fraction form
    18,924.96/26,091 = 13,252.08/x
  3. Step 3: Cross multiply
    18,924.96x = 26,091 × 13,252.08
  4. Step 4: Simplify right side
    18,924.96x = 345,760,019.28
  5. Step 5: Solve for x
    x = 345,760,019.28/18,924.96
  6. Step 6: Final answer
    x = 18,270.05

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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.