Home / 18,943.60-26,142.36-10,446.03

Finding the Fourth Proportional to 18,943.60, 26,142.36 and 10,446.03

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Solution

The fourth proportional to 18,943.60, 26,142.36 and 10,446.03 is: 14,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.60 : 26,142.36 = 10,446.03 : x
  2. Step 2: Convert to fraction form
    18,943.60/26,142.36 = 10,446.03/x
  3. Step 3: Cross multiply
    18,943.60x = 26,142.36 × 10,446.03
  4. Step 4: Simplify right side
    18,943.60x = 273,083,876.83
  5. Step 5: Solve for x
    x = 273,083,876.83/18,943.60
  6. Step 6: Final answer
    x = 14,415.63

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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.