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Finding the Fourth Proportional to 18,097.76, 24,980.69 and 11,294.98

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Solution

The fourth proportional to 18,097.76, 24,980.69 and 11,294.98 is: 15,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.76 : 24,980.69 = 11,294.98 : x
  2. Step 2: Convert to fraction form
    18,097.76/24,980.69 = 11,294.98/x
  3. Step 3: Cross multiply
    18,097.76x = 24,980.69 × 11,294.98
  4. Step 4: Simplify right side
    18,097.76x = 282,156,393.94
  5. Step 5: Solve for x
    x = 282,156,393.94/18,097.76
  6. Step 6: Final answer
    x = 15,590.68

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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.