Home / 23,055.24-31,815.90-12,983.79

Finding the Fourth Proportional to 23,055.24, 31,815.90 and 12,983.79

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Solution

The fourth proportional to 23,055.24, 31,815.90 and 12,983.79 is: 17,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,055.24 : 31,815.90 = 12,983.79 : x
  2. Step 2: Convert to fraction form
    23,055.24/31,815.90 = 12,983.79/x
  3. Step 3: Cross multiply
    23,055.24x = 31,815.90 × 12,983.79
  4. Step 4: Simplify right side
    23,055.24x = 413,090,964.26
  5. Step 5: Solve for x
    x = 413,090,964.26/23,055.24
  6. Step 6: Final answer
    x = 17,917.44

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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.