Home / 23,079.48-31,849.20-13,007.92

Finding the Fourth Proportional to 23,079.48, 31,849.20 and 13,007.92

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Solution

The fourth proportional to 23,079.48, 31,849.20 and 13,007.92 is: 17,950.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,079.48 : 31,849.20 = 13,007.92 : x
  2. Step 2: Convert to fraction form
    23,079.48/31,849.20 = 13,007.92/x
  3. Step 3: Cross multiply
    23,079.48x = 31,849.20 × 13,007.92
  4. Step 4: Simplify right side
    23,079.48x = 414,291,845.66
  5. Step 5: Solve for x
    x = 414,291,845.66/23,079.48
  6. Step 6: Final answer
    x = 17,950.66

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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.