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Finding the Fourth Proportional to 18,858.55, 26,024.81 and 10,361.22

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Solution

The fourth proportional to 18,858.55, 26,024.81 and 10,361.22 is: 14,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.55 : 26,024.81 = 10,361.22 : x
  2. Step 2: Convert to fraction form
    18,858.55/26,024.81 = 10,361.22/x
  3. Step 3: Cross multiply
    18,858.55x = 26,024.81 × 10,361.22
  4. Step 4: Simplify right side
    18,858.55x = 269,648,632.47
  5. Step 5: Solve for x
    x = 269,648,632.47/18,858.55
  6. Step 6: Final answer
    x = 14,298.48

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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.