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Finding the Fourth Proportional to 18,294, 25,249.38 and 10,336.32

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Solution

The fourth proportional to 18,294, 25,249.38 and 10,336.32 is: 14,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294 : 25,249.38 = 10,336.32 : x
  2. Step 2: Convert to fraction form
    18,294/25,249.38 = 10,336.32/x
  3. Step 3: Cross multiply
    18,294x = 25,249.38 × 10,336.32
  4. Step 4: Simplify right side
    18,294x = 260,985,671.48
  5. Step 5: Solve for x
    x = 260,985,671.48/18,294
  6. Step 6: Final answer
    x = 14,266.19

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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.