Home / 23,112.43-34,668.64-9,271.15

Finding the Fourth Proportional to 23,112.43, 34,668.64 and 9,271.15

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Solution

The fourth proportional to 23,112.43, 34,668.64 and 9,271.15 is: 13,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.43 : 34,668.64 = 9,271.15 : x
  2. Step 2: Convert to fraction form
    23,112.43/34,668.64 = 9,271.15/x
  3. Step 3: Cross multiply
    23,112.43x = 34,668.64 × 9,271.15
  4. Step 4: Simplify right side
    23,112.43x = 321,417,988.39
  5. Step 5: Solve for x
    x = 321,417,988.39/23,112.43
  6. Step 6: Final answer
    x = 13,906.72

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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.