Home / 23,078.43-31,849.17-13,007.30

Finding the Fourth Proportional to 23,078.43, 31,849.17 and 13,007.30

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Solution

The fourth proportional to 23,078.43, 31,849.17 and 13,007.30 is: 17,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.43 : 31,849.17 = 13,007.30 : x
  2. Step 2: Convert to fraction form
    23,078.43/31,849.17 = 13,007.30/x
  3. Step 3: Cross multiply
    23,078.43x = 31,849.17 × 13,007.30
  4. Step 4: Simplify right side
    23,078.43x = 414,271,708.94
  5. Step 5: Solve for x
    x = 414,271,708.94/23,078.43
  6. Step 6: Final answer
    x = 17,950.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.