Home / 23,200.22-32,018.31-13,131.89

Finding the Fourth Proportional to 23,200.22, 32,018.31 and 13,131.89

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Solution

The fourth proportional to 23,200.22, 32,018.31 and 13,131.89 is: 18,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,200.22 : 32,018.31 = 13,131.89 : x
  2. Step 2: Convert to fraction form
    23,200.22/32,018.31 = 13,131.89/x
  3. Step 3: Cross multiply
    23,200.22x = 32,018.31 × 13,131.89
  4. Step 4: Simplify right side
    23,200.22x = 420,460,764.81
  5. Step 5: Solve for x
    x = 420,460,764.81/23,200.22
  6. Step 6: Final answer
    x = 18,123.14

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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.