Home / 18,263.18-25,202.61-10,305.29

Finding the Fourth Proportional to 18,263.18, 25,202.61 and 10,305.29

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Solution

The fourth proportional to 18,263.18, 25,202.61 and 10,305.29 is: 14,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.18 : 25,202.61 = 10,305.29 : x
  2. Step 2: Convert to fraction form
    18,263.18/25,202.61 = 10,305.29/x
  3. Step 3: Cross multiply
    18,263.18x = 25,202.61 × 10,305.29
  4. Step 4: Simplify right side
    18,263.18x = 259,720,204.81
  5. Step 5: Solve for x
    x = 259,720,204.81/18,263.18
  6. Step 6: Final answer
    x = 14,220.97

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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.