Home / 23,111.01-31,893.21-12,500.64

Finding the Fourth Proportional to 23,111.01, 31,893.21 and 12,500.64

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Solution

The fourth proportional to 23,111.01, 31,893.21 and 12,500.64 is: 17,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.01 : 31,893.21 = 12,500.64 : x
  2. Step 2: Convert to fraction form
    23,111.01/31,893.21 = 12,500.64/x
  3. Step 3: Cross multiply
    23,111.01x = 31,893.21 × 12,500.64
  4. Step 4: Simplify right side
    23,111.01x = 398,685,536.65
  5. Step 5: Solve for x
    x = 398,685,536.65/23,111.01
  6. Step 6: Final answer
    x = 17,250.89

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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.