Home / 25,210.98-34,791.90-13,881.66

Finding the Fourth Proportional to 25,210.98, 34,791.90 and 13,881.66

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Solution

The fourth proportional to 25,210.98, 34,791.90 and 13,881.66 is: 19,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.98 : 34,791.90 = 13,881.66 : x
  2. Step 2: Convert to fraction form
    25,210.98/34,791.90 = 13,881.66/x
  3. Step 3: Cross multiply
    25,210.98x = 34,791.90 × 13,881.66
  4. Step 4: Simplify right side
    25,210.98x = 482,969,326.55
  5. Step 5: Solve for x
    x = 482,969,326.55/25,210.98
  6. Step 6: Final answer
    x = 19,157.10

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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.