Home / 25,215.15-34,797.17-13,885.70

Finding the Fourth Proportional to 25,215.15, 34,797.17 and 13,885.70

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Solution

The fourth proportional to 25,215.15, 34,797.17 and 13,885.70 is: 19,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.15 : 34,797.17 = 13,885.70 : x
  2. Step 2: Convert to fraction form
    25,215.15/34,797.17 = 13,885.70/x
  3. Step 3: Cross multiply
    25,215.15x = 34,797.17 × 13,885.70
  4. Step 4: Simplify right side
    25,215.15x = 483,182,950.54
  5. Step 5: Solve for x
    x = 483,182,950.54/25,215.15
  6. Step 6: Final answer
    x = 19,162.41

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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.