Home / 15,137.08-22,706.19-7,732.90

Finding the Fourth Proportional to 15,137.08, 22,706.19 and 7,732.90

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Solution

The fourth proportional to 15,137.08, 22,706.19 and 7,732.90 is: 11,599.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.08 : 22,706.19 = 7,732.90 : x
  2. Step 2: Convert to fraction form
    15,137.08/22,706.19 = 7,732.90/x
  3. Step 3: Cross multiply
    15,137.08x = 22,706.19 × 7,732.90
  4. Step 4: Simplify right side
    15,137.08x = 175,584,725.03
  5. Step 5: Solve for x
    x = 175,584,725.03/15,137.08
  6. Step 6: Final answer
    x = 11,599.64

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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.