Home / 15,557.20-23,329.72-6,786.12

Finding the Fourth Proportional to 15,557.20, 23,329.72 and 6,786.12

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Solution

The fourth proportional to 15,557.20, 23,329.72 and 6,786.12 is: 10,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.20 : 23,329.72 = 6,786.12 : x
  2. Step 2: Convert to fraction form
    15,557.20/23,329.72 = 6,786.12/x
  3. Step 3: Cross multiply
    15,557.20x = 23,329.72 × 6,786.12
  4. Step 4: Simplify right side
    15,557.20x = 158,318,279.49
  5. Step 5: Solve for x
    x = 158,318,279.49/15,557.20
  6. Step 6: Final answer
    x = 10,176.53

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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.