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Finding the Fourth Proportional to 16,419.06, 22,653 and 9,344.07

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Solution

The fourth proportional to 16,419.06, 22,653 and 9,344.07 is: 12,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.06 : 22,653 = 9,344.07 : x
  2. Step 2: Convert to fraction form
    16,419.06/22,653 = 9,344.07/x
  3. Step 3: Cross multiply
    16,419.06x = 22,653 × 9,344.07
  4. Step 4: Simplify right side
    16,419.06x = 211,671,217.71
  5. Step 5: Solve for x
    x = 211,671,217.71/16,419.06
  6. Step 6: Final answer
    x = 12,891.80

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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.