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Finding the Fourth Proportional to 18,957.54, 26,161.08 and 10,574.04

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Solution

The fourth proportional to 18,957.54, 26,161.08 and 10,574.04 is: 14,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.54 : 26,161.08 = 10,574.04 : x
  2. Step 2: Convert to fraction form
    18,957.54/26,161.08 = 10,574.04/x
  3. Step 3: Cross multiply
    18,957.54x = 26,161.08 × 10,574.04
  4. Step 4: Simplify right side
    18,957.54x = 276,628,306.36
  5. Step 5: Solve for x
    x = 276,628,306.36/18,957.54
  6. Step 6: Final answer
    x = 14,591.99

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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.