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Finding the Fourth Proportional to 18,894.36, 26,073.18 and 10,510.68

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Solution

The fourth proportional to 18,894.36, 26,073.18 and 10,510.68 is: 14,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.36 : 26,073.18 = 10,510.68 : x
  2. Step 2: Convert to fraction form
    18,894.36/26,073.18 = 10,510.68/x
  3. Step 3: Cross multiply
    18,894.36x = 26,073.18 × 10,510.68
  4. Step 4: Simplify right side
    18,894.36x = 274,046,851.56
  5. Step 5: Solve for x
    x = 274,046,851.56/18,894.36
  6. Step 6: Final answer
    x = 14,504.16

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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.