Home / 15,516.88-23,268.42-4,421.05

Finding the Fourth Proportional to 15,516.88, 23,268.42 and 4,421.05

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Solution

The fourth proportional to 15,516.88, 23,268.42 and 4,421.05 is: 6,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.88 : 23,268.42 = 4,421.05 : x
  2. Step 2: Convert to fraction form
    15,516.88/23,268.42 = 4,421.05/x
  3. Step 3: Cross multiply
    15,516.88x = 23,268.42 × 4,421.05
  4. Step 4: Simplify right side
    15,516.88x = 102,870,848.24
  5. Step 5: Solve for x
    x = 102,870,848.24/15,516.88
  6. Step 6: Final answer
    x = 6,629.61

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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.