Home / 15,640.16-23,459.32-4,546.60

Finding the Fourth Proportional to 15,640.16, 23,459.32 and 4,546.60

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Solution

The fourth proportional to 15,640.16, 23,459.32 and 4,546.60 is: 6,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.16 : 23,459.32 = 4,546.60 : x
  2. Step 2: Convert to fraction form
    15,640.16/23,459.32 = 4,546.60/x
  3. Step 3: Cross multiply
    15,640.16x = 23,459.32 × 4,546.60
  4. Step 4: Simplify right side
    15,640.16x = 106,660,144.31
  5. Step 5: Solve for x
    x = 106,660,144.31/15,640.16
  6. Step 6: Final answer
    x = 6,819.63

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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.