Home / 25,211.63-34,791.77-13,880.90

Finding the Fourth Proportional to 25,211.63, 34,791.77 and 13,880.90

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Solution

The fourth proportional to 25,211.63, 34,791.77 and 13,880.90 is: 19,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.63 : 34,791.77 = 13,880.90 : x
  2. Step 2: Convert to fraction form
    25,211.63/34,791.77 = 13,880.90/x
  3. Step 3: Cross multiply
    25,211.63x = 34,791.77 × 13,880.90
  4. Step 4: Simplify right side
    25,211.63x = 482,941,201.87
  5. Step 5: Solve for x
    x = 482,941,201.87/25,211.63
  6. Step 6: Final answer
    x = 19,155.49

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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.