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Finding the Fourth Proportional to 16,235.76, 22,405.88 and 9,946.92

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Solution

The fourth proportional to 16,235.76, 22,405.88 and 9,946.92 is: 13,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,235.76 : 22,405.88 = 9,946.92 : x
  2. Step 2: Convert to fraction form
    16,235.76/22,405.88 = 9,946.92/x
  3. Step 3: Cross multiply
    16,235.76x = 22,405.88 × 9,946.92
  4. Step 4: Simplify right side
    16,235.76x = 222,869,495.89
  5. Step 5: Solve for x
    x = 222,869,495.89/16,235.76
  6. Step 6: Final answer
    x = 13,727.08

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Double scale
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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.