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Finding the Fourth Proportional to 18,924.71, 26,114.73 and 11,267.57

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Solution

The fourth proportional to 18,924.71, 26,114.73 and 11,267.57 is: 15,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.71 : 26,114.73 = 11,267.57 : x
  2. Step 2: Convert to fraction form
    18,924.71/26,114.73 = 11,267.57/x
  3. Step 3: Cross multiply
    18,924.71x = 26,114.73 × 11,267.57
  4. Step 4: Simplify right side
    18,924.71x = 294,249,548.31
  5. Step 5: Solve for x
    x = 294,249,548.31/18,924.71
  6. Step 6: Final answer
    x = 15,548.43

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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.