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Finding the Fourth Proportional to 16,625.54, 22,943.30 and 9,914.18

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Solution

The fourth proportional to 16,625.54, 22,943.30 and 9,914.18 is: 13,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,625.54 : 22,943.30 = 9,914.18 : x
  2. Step 2: Convert to fraction form
    16,625.54/22,943.30 = 9,914.18/x
  3. Step 3: Cross multiply
    16,625.54x = 22,943.30 × 9,914.18
  4. Step 4: Simplify right side
    16,625.54x = 227,463,841.71
  5. Step 5: Solve for x
    x = 227,463,841.71/16,625.54
  6. Step 6: Final answer
    x = 13,681.60

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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.