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Finding the Fourth Proportional to 16,916.12, 23,348.93 and 9,843.90

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Solution

The fourth proportional to 16,916.12, 23,348.93 and 9,843.90 is: 13,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.12 : 23,348.93 = 9,843.90 : x
  2. Step 2: Convert to fraction form
    16,916.12/23,348.93 = 9,843.90/x
  3. Step 3: Cross multiply
    16,916.12x = 23,348.93 × 9,843.90
  4. Step 4: Simplify right side
    16,916.12x = 229,844,482.81
  5. Step 5: Solve for x
    x = 229,844,482.81/16,916.12
  6. Step 6: Final answer
    x = 13,587.31

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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.