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Finding the Fourth Proportional to 18,093.48, 24,968.70 and 10,135.80

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Solution

The fourth proportional to 18,093.48, 24,968.70 and 10,135.80 is: 13,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.48 : 24,968.70 = 10,135.80 : x
  2. Step 2: Convert to fraction form
    18,093.48/24,968.70 = 10,135.80/x
  3. Step 3: Cross multiply
    18,093.48x = 24,968.70 × 10,135.80
  4. Step 4: Simplify right side
    18,093.48x = 253,077,749.46
  5. Step 5: Solve for x
    x = 253,077,749.46/18,093.48
  6. Step 6: Final answer
    x = 13,987.23

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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.