Home / 25,251.28-34,860.15-19,573.28

Finding the Fourth Proportional to 25,251.28, 34,860.15 and 19,573.28

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Solution

The fourth proportional to 25,251.28, 34,860.15 and 19,573.28 is: 27,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.28 : 34,860.15 = 19,573.28 : x
  2. Step 2: Convert to fraction form
    25,251.28/34,860.15 = 19,573.28/x
  3. Step 3: Cross multiply
    25,251.28x = 34,860.15 × 19,573.28
  4. Step 4: Simplify right side
    25,251.28x = 682,327,476.79
  5. Step 5: Solve for x
    x = 682,327,476.79/25,251.28
  6. Step 6: Final answer
    x = 27,021.50

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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.