Home / 15,255.57-22,886.81-8,235.44

Finding the Fourth Proportional to 15,255.57, 22,886.81 and 8,235.44

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Solution

The fourth proportional to 15,255.57, 22,886.81 and 8,235.44 is: 12,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.57 : 22,886.81 = 8,235.44 : x
  2. Step 2: Convert to fraction form
    15,255.57/22,886.81 = 8,235.44/x
  3. Step 3: Cross multiply
    15,255.57x = 22,886.81 × 8,235.44
  4. Step 4: Simplify right side
    15,255.57x = 188,482,815.52
  5. Step 5: Solve for x
    x = 188,482,815.52/15,255.57
  6. Step 6: Final answer
    x = 12,355.01

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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.