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Finding the Fourth Proportional to 18,807.66, 25,946.22 and 12,092.04

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Solution

The fourth proportional to 18,807.66, 25,946.22 and 12,092.04 is: 16,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.66 : 25,946.22 = 12,092.04 : x
  2. Step 2: Convert to fraction form
    18,807.66/25,946.22 = 12,092.04/x
  3. Step 3: Cross multiply
    18,807.66x = 25,946.22 × 12,092.04
  4. Step 4: Simplify right side
    18,807.66x = 313,742,730.09
  5. Step 5: Solve for x
    x = 313,742,730.09/18,807.66
  6. Step 6: Final answer
    x = 16,681.65

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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.