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Finding the Fourth Proportional to 18,395.91, 25,388.93 and 10,741.69

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Solution

The fourth proportional to 18,395.91, 25,388.93 and 10,741.69 is: 14,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.91 : 25,388.93 = 10,741.69 : x
  2. Step 2: Convert to fraction form
    18,395.91/25,388.93 = 10,741.69/x
  3. Step 3: Cross multiply
    18,395.91x = 25,388.93 × 10,741.69
  4. Step 4: Simplify right side
    18,395.91x = 272,720,015.49
  5. Step 5: Solve for x
    x = 272,720,015.49/18,395.91
  6. Step 6: Final answer
    x = 14,825.04

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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.