Home / 15,012.75-22,519.13-4,068.75

Finding the Fourth Proportional to 15,012.75, 22,519.13 and 4,068.75

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Solution

The fourth proportional to 15,012.75, 22,519.13 and 4,068.75 is: 6,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.75 : 22,519.13 = 4,068.75 : x
  2. Step 2: Convert to fraction form
    15,012.75/22,519.13 = 4,068.75/x
  3. Step 3: Cross multiply
    15,012.75x = 22,519.13 × 4,068.75
  4. Step 4: Simplify right side
    15,012.75x = 91,624,689.84
  5. Step 5: Solve for x
    x = 91,624,689.84/15,012.75
  6. Step 6: Final answer
    x = 6,103.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.