Home / 15,414.12-23,120.64-5,025.96

Finding the Fourth Proportional to 15,414.12, 23,120.64 and 5,025.96

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Solution

The fourth proportional to 15,414.12, 23,120.64 and 5,025.96 is: 7,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.12 : 23,120.64 = 5,025.96 : x
  2. Step 2: Convert to fraction form
    15,414.12/23,120.64 = 5,025.96/x
  3. Step 3: Cross multiply
    15,414.12x = 23,120.64 × 5,025.96
  4. Step 4: Simplify right side
    15,414.12x = 116,203,411.81
  5. Step 5: Solve for x
    x = 116,203,411.81/15,414.12
  6. Step 6: Final answer
    x = 7,538.76

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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.