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Finding the Fourth Proportional to 18,152.87, 25,050.96 and 10,194.89

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Solution

The fourth proportional to 18,152.87, 25,050.96 and 10,194.89 is: 14,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.87 : 25,050.96 = 10,194.89 : x
  2. Step 2: Convert to fraction form
    18,152.87/25,050.96 = 10,194.89/x
  3. Step 3: Cross multiply
    18,152.87x = 25,050.96 × 10,194.89
  4. Step 4: Simplify right side
    18,152.87x = 255,391,656.34
  5. Step 5: Solve for x
    x = 255,391,656.34/18,152.87
  6. Step 6: Final answer
    x = 14,068.94

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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.