Home / 23,175.30-31,983.93-19,391.79

Finding the Fourth Proportional to 23,175.30, 31,983.93 and 19,391.79

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Solution

The fourth proportional to 23,175.30, 31,983.93 and 19,391.79 is: 26,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.30 : 31,983.93 = 19,391.79 : x
  2. Step 2: Convert to fraction form
    23,175.30/31,983.93 = 19,391.79/x
  3. Step 3: Cross multiply
    23,175.30x = 31,983.93 × 19,391.79
  4. Step 4: Simplify right side
    23,175.30x = 620,225,653.93
  5. Step 5: Solve for x
    x = 620,225,653.93/23,175.30
  6. Step 6: Final answer
    x = 26,762.36

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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.