Home / 25,315.39-34,936.59-15,246.91

Finding the Fourth Proportional to 25,315.39, 34,936.59 and 15,246.91

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Solution

The fourth proportional to 25,315.39, 34,936.59 and 15,246.91 is: 21,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.39 : 34,936.59 = 15,246.91 : x
  2. Step 2: Convert to fraction form
    25,315.39/34,936.59 = 15,246.91/x
  3. Step 3: Cross multiply
    25,315.39x = 34,936.59 × 15,246.91
  4. Step 4: Simplify right side
    25,315.39x = 532,675,043.44
  5. Step 5: Solve for x
    x = 532,675,043.44/25,315.39
  6. Step 6: Final answer
    x = 21,041.55

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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.