Home / 15,431.79-23,150.57-5,050.83

Finding the Fourth Proportional to 15,431.79, 23,150.57 and 5,050.83

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Solution

The fourth proportional to 15,431.79, 23,150.57 and 5,050.83 is: 7,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.79 : 23,150.57 = 5,050.83 : x
  2. Step 2: Convert to fraction form
    15,431.79/23,150.57 = 5,050.83/x
  3. Step 3: Cross multiply
    15,431.79x = 23,150.57 × 5,050.83
  4. Step 4: Simplify right side
    15,431.79x = 116,929,568.22
  5. Step 5: Solve for x
    x = 116,929,568.22/15,431.79
  6. Step 6: Final answer
    x = 7,577.19

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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.