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Finding the Fourth Proportional to 18,294.09, 25,244.95 and 10,228.11

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Solution

The fourth proportional to 18,294.09, 25,244.95 and 10,228.11 is: 14,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.09 : 25,244.95 = 10,228.11 : x
  2. Step 2: Convert to fraction form
    18,294.09/25,244.95 = 10,228.11/x
  3. Step 3: Cross multiply
    18,294.09x = 25,244.95 × 10,228.11
  4. Step 4: Simplify right side
    18,294.09x = 258,208,125.54
  5. Step 5: Solve for x
    x = 258,208,125.54/18,294.09
  6. Step 6: Final answer
    x = 14,114.29

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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.