Home / 15,391.22-23,081.16-5,527.86

Finding the Fourth Proportional to 15,391.22, 23,081.16 and 5,527.86

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Solution

The fourth proportional to 15,391.22, 23,081.16 and 5,527.86 is: 8,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.22 : 23,081.16 = 5,527.86 : x
  2. Step 2: Convert to fraction form
    15,391.22/23,081.16 = 5,527.86/x
  3. Step 3: Cross multiply
    15,391.22x = 23,081.16 × 5,527.86
  4. Step 4: Simplify right side
    15,391.22x = 127,589,421.12
  5. Step 5: Solve for x
    x = 127,589,421.12/15,391.22
  6. Step 6: Final answer
    x = 8,289.75

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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.