Home / 15,768.76-23,626.38-9,515.64

Finding the Fourth Proportional to 15,768.76, 23,626.38 and 9,515.64

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Solution

The fourth proportional to 15,768.76, 23,626.38 and 9,515.64 is: 14,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.76 : 23,626.38 = 9,515.64 : x
  2. Step 2: Convert to fraction form
    15,768.76/23,626.38 = 9,515.64/x
  3. Step 3: Cross multiply
    15,768.76x = 23,626.38 × 9,515.64
  4. Step 4: Simplify right side
    15,768.76x = 224,819,960.87
  5. Step 5: Solve for x
    x = 224,819,960.87/15,768.76
  6. Step 6: Final answer
    x = 14,257.30

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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.