Home / 25,205.13-34,785.23-13,876.83

Finding the Fourth Proportional to 25,205.13, 34,785.23 and 13,876.83

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Solution

The fourth proportional to 25,205.13, 34,785.23 and 13,876.83 is: 19,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.13 : 34,785.23 = 13,876.83 : x
  2. Step 2: Convert to fraction form
    25,205.13/34,785.23 = 13,876.83/x
  3. Step 3: Cross multiply
    25,205.13x = 34,785.23 × 13,876.83
  4. Step 4: Simplify right side
    25,205.13x = 482,708,653.84
  5. Step 5: Solve for x
    x = 482,708,653.84/25,205.13
  6. Step 6: Final answer
    x = 19,151.21

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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.