Home / 25,191.42-34,762.38-13,860.66

Finding the Fourth Proportional to 25,191.42, 34,762.38 and 13,860.66

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Solution

The fourth proportional to 25,191.42, 34,762.38 and 13,860.66 is: 19,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.42 : 34,762.38 = 13,860.66 : x
  2. Step 2: Convert to fraction form
    25,191.42/34,762.38 = 13,860.66/x
  3. Step 3: Cross multiply
    25,191.42x = 34,762.38 × 13,860.66
  4. Step 4: Simplify right side
    25,191.42x = 481,829,529.97
  5. Step 5: Solve for x
    x = 481,829,529.97/25,191.42
  6. Step 6: Final answer
    x = 19,126.73

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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.