Home / 13,222.30-18,246.96-7,253.86

Finding the Fourth Proportional to 13,222.30, 18,246.96 and 7,253.86

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Solution

The fourth proportional to 13,222.30, 18,246.96 and 7,253.86 is: 10,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.30 : 18,246.96 = 7,253.86 : x
  2. Step 2: Convert to fraction form
    13,222.30/18,246.96 = 7,253.86/x
  3. Step 3: Cross multiply
    13,222.30x = 18,246.96 × 7,253.86
  4. Step 4: Simplify right side
    13,222.30x = 132,360,893.27
  5. Step 5: Solve for x
    x = 132,360,893.27/13,222.30
  6. Step 6: Final answer
    x = 10,010.43

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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.