Home / 15,750.96-23,620.56-5,219.04

Finding the Fourth Proportional to 15,750.96, 23,620.56 and 5,219.04

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Solution

The fourth proportional to 15,750.96, 23,620.56 and 5,219.04 is: 7,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.96 : 23,620.56 = 5,219.04 : x
  2. Step 2: Convert to fraction form
    15,750.96/23,620.56 = 5,219.04/x
  3. Step 3: Cross multiply
    15,750.96x = 23,620.56 × 5,219.04
  4. Step 4: Simplify right side
    15,750.96x = 123,276,647.46
  5. Step 5: Solve for x
    x = 123,276,647.46/15,750.96
  6. Step 6: Final answer
    x = 7,826.61

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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.