Home / 23,001.04-31,741.64-13,311.44

Finding the Fourth Proportional to 23,001.04, 31,741.64 and 13,311.44

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Solution

The fourth proportional to 23,001.04, 31,741.64 and 13,311.44 is: 18,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.04 : 31,741.64 = 13,311.44 : x
  2. Step 2: Convert to fraction form
    23,001.04/31,741.64 = 13,311.44/x
  3. Step 3: Cross multiply
    23,001.04x = 31,741.64 × 13,311.44
  4. Step 4: Simplify right side
    23,001.04x = 422,526,936.36
  5. Step 5: Solve for x
    x = 422,526,936.36/23,001.04
  6. Step 6: Final answer
    x = 18,369.91

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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.