Home / 25,605.11-35,325.29-18,906.81

Finding the Fourth Proportional to 25,605.11, 35,325.29 and 18,906.81

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Solution

The fourth proportional to 25,605.11, 35,325.29 and 18,906.81 is: 26,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.11 : 35,325.29 = 18,906.81 : x
  2. Step 2: Convert to fraction form
    25,605.11/35,325.29 = 18,906.81/x
  3. Step 3: Cross multiply
    25,605.11x = 35,325.29 × 18,906.81
  4. Step 4: Simplify right side
    25,605.11x = 667,888,451.69
  5. Step 5: Solve for x
    x = 667,888,451.69/25,605.11
  6. Step 6: Final answer
    x = 26,084.19

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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.