Home / 25,188.59-34,760.24-13,857.84

Finding the Fourth Proportional to 25,188.59, 34,760.24 and 13,857.84

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Solution

The fourth proportional to 25,188.59, 34,760.24 and 13,857.84 is: 19,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.59 : 34,760.24 = 13,857.84 : x
  2. Step 2: Convert to fraction form
    25,188.59/34,760.24 = 13,857.84/x
  3. Step 3: Cross multiply
    25,188.59x = 34,760.24 × 13,857.84
  4. Step 4: Simplify right side
    25,188.59x = 481,701,670.48
  5. Step 5: Solve for x
    x = 481,701,670.48/25,188.59
  6. Step 6: Final answer
    x = 19,123.81

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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.