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Finding the Fourth Proportional to 18,443.98, 25,462.11 and 10,892.62

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Solution

The fourth proportional to 18,443.98, 25,462.11 and 10,892.62 is: 15,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.98 : 25,462.11 = 10,892.62 : x
  2. Step 2: Convert to fraction form
    18,443.98/25,462.11 = 10,892.62/x
  3. Step 3: Cross multiply
    18,443.98x = 25,462.11 × 10,892.62
  4. Step 4: Simplify right side
    18,443.98x = 277,349,088.63
  5. Step 5: Solve for x
    x = 277,349,088.63/18,443.98
  6. Step 6: Final answer
    x = 15,037.38

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Half scale
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Double scale
Find fourth proportional to 18,444.98, 25,463.49 and 10,893.62
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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.