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Finding the Fourth Proportional to 18,151.92, 25,043.36 and 10,193.04

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Solution

The fourth proportional to 18,151.92, 25,043.36 and 10,193.04 is: 14,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.92 : 25,043.36 = 10,193.04 : x
  2. Step 2: Convert to fraction form
    18,151.92/25,043.36 = 10,193.04/x
  3. Step 3: Cross multiply
    18,151.92x = 25,043.36 × 10,193.04
  4. Step 4: Simplify right side
    18,151.92x = 255,267,970.21
  5. Step 5: Solve for x
    x = 255,267,970.21/18,151.92
  6. Step 6: Final answer
    x = 14,062.86

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Double scale
Find fourth proportional to 18,152.92, 25,044.74 and 10,194.04
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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.