Home / 25,258.99-34,871.64-16,772.71

Finding the Fourth Proportional to 25,258.99, 34,871.64 and 16,772.71

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Solution

The fourth proportional to 25,258.99, 34,871.64 and 16,772.71 is: 23,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,258.99 : 34,871.64 = 16,772.71 : x
  2. Step 2: Convert to fraction form
    25,258.99/34,871.64 = 16,772.71/x
  3. Step 3: Cross multiply
    25,258.99x = 34,871.64 × 16,772.71
  4. Step 4: Simplify right side
    25,258.99x = 584,891,904.94
  5. Step 5: Solve for x
    x = 584,891,904.94/25,258.99
  6. Step 6: Final answer
    x = 23,155.79

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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.