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Finding the Fourth Proportional to 17,855.37, 24,639.53 and 9,897.53

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Solution

The fourth proportional to 17,855.37, 24,639.53 and 9,897.53 is: 13,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.37 : 24,639.53 = 9,897.53 : x
  2. Step 2: Convert to fraction form
    17,855.37/24,639.53 = 9,897.53/x
  3. Step 3: Cross multiply
    17,855.37x = 24,639.53 × 9,897.53
  4. Step 4: Simplify right side
    17,855.37x = 243,870,314.68
  5. Step 5: Solve for x
    x = 243,870,314.68/17,855.37
  6. Step 6: Final answer
    x = 13,658.09

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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.