Home / 15,628.79-23,443.19-6,863.78

Finding the Fourth Proportional to 15,628.79, 23,443.19 and 6,863.78

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Solution

The fourth proportional to 15,628.79, 23,443.19 and 6,863.78 is: 10,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.79 : 23,443.19 = 6,863.78 : x
  2. Step 2: Convert to fraction form
    15,628.79/23,443.19 = 6,863.78/x
  3. Step 3: Cross multiply
    15,628.79x = 23,443.19 × 6,863.78
  4. Step 4: Simplify right side
    15,628.79x = 160,908,747.12
  5. Step 5: Solve for x
    x = 160,908,747.12/15,628.79
  6. Step 6: Final answer
    x = 10,295.67

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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.