Home / 15,622.68-23,431.32-5,234.40

Finding the Fourth Proportional to 15,622.68, 23,431.32 and 5,234.40

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Solution

The fourth proportional to 15,622.68, 23,431.32 and 5,234.40 is: 7,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.68 : 23,431.32 = 5,234.40 : x
  2. Step 2: Convert to fraction form
    15,622.68/23,431.32 = 5,234.40/x
  3. Step 3: Cross multiply
    15,622.68x = 23,431.32 × 5,234.40
  4. Step 4: Simplify right side
    15,622.68x = 122,648,901.41
  5. Step 5: Solve for x
    x = 122,648,901.41/15,622.68
  6. Step 6: Final answer
    x = 7,850.70

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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.