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Finding the Fourth Proportional to 16,693.70, 23,039.14 and 10,644.15

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Solution

The fourth proportional to 16,693.70, 23,039.14 and 10,644.15 is: 14,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.70 : 23,039.14 = 10,644.15 : x
  2. Step 2: Convert to fraction form
    16,693.70/23,039.14 = 10,644.15/x
  3. Step 3: Cross multiply
    16,693.70x = 23,039.14 × 10,644.15
  4. Step 4: Simplify right side
    16,693.70x = 245,232,116.26
  5. Step 5: Solve for x
    x = 245,232,116.26/16,693.70
  6. Step 6: Final answer
    x = 14,690.10

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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.