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Finding the Fourth Proportional to 16,955.62, 23,398.65 and 9,503.62

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Solution

The fourth proportional to 16,955.62, 23,398.65 and 9,503.62 is: 13,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.62 : 23,398.65 = 9,503.62 : x
  2. Step 2: Convert to fraction form
    16,955.62/23,398.65 = 9,503.62/x
  3. Step 3: Cross multiply
    16,955.62x = 23,398.65 × 9,503.62
  4. Step 4: Simplify right side
    16,955.62x = 222,371,878.11
  5. Step 5: Solve for x
    x = 222,371,878.11/16,955.62
  6. Step 6: Final answer
    x = 13,114.94

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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.