Home / 29,435.38-40,564.32-18,806.56

Finding the Fourth Proportional to 29,435.38, 40,564.32 and 18,806.56

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Solution

The fourth proportional to 29,435.38, 40,564.32 and 18,806.56 is: 25,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.38 : 40,564.32 = 18,806.56 : x
  2. Step 2: Convert to fraction form
    29,435.38/40,564.32 = 18,806.56/x
  3. Step 3: Cross multiply
    29,435.38x = 40,564.32 × 18,806.56
  4. Step 4: Simplify right side
    29,435.38x = 762,875,317.94
  5. Step 5: Solve for x
    x = 762,875,317.94/29,435.38
  6. Step 6: Final answer
    x = 25,916.95

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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.