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Finding the Fourth Proportional to 18,125.96, 25,014.18 and 10,169

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Solution

The fourth proportional to 18,125.96, 25,014.18 and 10,169 is: 14,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.96 : 25,014.18 = 10,169 : x
  2. Step 2: Convert to fraction form
    18,125.96/25,014.18 = 10,169/x
  3. Step 3: Cross multiply
    18,125.96x = 25,014.18 × 10,169
  4. Step 4: Simplify right side
    18,125.96x = 254,369,196.42
  5. Step 5: Solve for x
    x = 254,369,196.42/18,125.96
  6. Step 6: Final answer
    x = 14,033.42

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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.