Home / 15,640.10-23,461.43-4,546.78

Finding the Fourth Proportional to 15,640.10, 23,461.43 and 4,546.78

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Solution

The fourth proportional to 15,640.10, 23,461.43 and 4,546.78 is: 6,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.10 : 23,461.43 = 4,546.78 : x
  2. Step 2: Convert to fraction form
    15,640.10/23,461.43 = 4,546.78/x
  3. Step 3: Cross multiply
    15,640.10x = 23,461.43 × 4,546.78
  4. Step 4: Simplify right side
    15,640.10x = 106,673,879.31
  5. Step 5: Solve for x
    x = 106,673,879.31/15,640.10
  6. Step 6: Final answer
    x = 6,820.54

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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.