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Finding the Fourth Proportional to 18,894.80, 26,073.78 and 10,510.76

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Solution

The fourth proportional to 18,894.80, 26,073.78 and 10,510.76 is: 14,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.80 : 26,073.78 = 10,510.76 : x
  2. Step 2: Convert to fraction form
    18,894.80/26,073.78 = 10,510.76/x
  3. Step 3: Cross multiply
    18,894.80x = 26,073.78 × 10,510.76
  4. Step 4: Simplify right side
    18,894.80x = 274,055,243.87
  5. Step 5: Solve for x
    x = 274,055,243.87/18,894.80
  6. Step 6: Final answer
    x = 14,504.27

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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.