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Finding the Fourth Proportional to 14,338.58, 19,787.38 and 8,369.10

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Solution

The fourth proportional to 14,338.58, 19,787.38 and 8,369.10 is: 11,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.58 : 19,787.38 = 8,369.10 : x
  2. Step 2: Convert to fraction form
    14,338.58/19,787.38 = 8,369.10/x
  3. Step 3: Cross multiply
    14,338.58x = 19,787.38 × 8,369.10
  4. Step 4: Simplify right side
    14,338.58x = 165,602,541.04
  5. Step 5: Solve for x
    x = 165,602,541.04/14,338.58
  6. Step 6: Final answer
    x = 11,549.44

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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.