Home / 19,222.56-28,805.40-9,350.46

Finding the Fourth Proportional to 19,222.56, 28,805.40 and 9,350.46

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Solution

The fourth proportional to 19,222.56, 28,805.40 and 9,350.46 is: 14,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.56 : 28,805.40 = 9,350.46 : x
  2. Step 2: Convert to fraction form
    19,222.56/28,805.40 = 9,350.46/x
  3. Step 3: Cross multiply
    19,222.56x = 28,805.40 × 9,350.46
  4. Step 4: Simplify right side
    19,222.56x = 269,343,740.48
  5. Step 5: Solve for x
    x = 269,343,740.48/19,222.56
  6. Step 6: Final answer
    x = 14,011.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.