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Finding the Fourth Proportional to 18,860.25, 26,024.25 and 10,900.94

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Solution

The fourth proportional to 18,860.25, 26,024.25 and 10,900.94 is: 15,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.25 : 26,024.25 = 10,900.94 : x
  2. Step 2: Convert to fraction form
    18,860.25/26,024.25 = 10,900.94/x
  3. Step 3: Cross multiply
    18,860.25x = 26,024.25 × 10,900.94
  4. Step 4: Simplify right side
    18,860.25x = 283,688,787.80
  5. Step 5: Solve for x
    x = 283,688,787.80/18,860.25
  6. Step 6: Final answer
    x = 15,041.62

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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.