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Finding the Fourth Proportional to 18,094.90, 24,971.70 and 10,136.92

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Solution

The fourth proportional to 18,094.90, 24,971.70 and 10,136.92 is: 13,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.90 : 24,971.70 = 10,136.92 : x
  2. Step 2: Convert to fraction form
    18,094.90/24,971.70 = 10,136.92/x
  3. Step 3: Cross multiply
    18,094.90x = 24,971.70 × 10,136.92
  4. Step 4: Simplify right side
    18,094.90x = 253,136,125.16
  5. Step 5: Solve for x
    x = 253,136,125.16/18,094.90
  6. Step 6: Final answer
    x = 13,989.36

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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.