Home / 15,127.80-22,688.46-4,733.88

Finding the Fourth Proportional to 15,127.80, 22,688.46 and 4,733.88

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Solution

The fourth proportional to 15,127.80, 22,688.46 and 4,733.88 is: 7,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.80 : 22,688.46 = 4,733.88 : x
  2. Step 2: Convert to fraction form
    15,127.80/22,688.46 = 4,733.88/x
  3. Step 3: Cross multiply
    15,127.80x = 22,688.46 × 4,733.88
  4. Step 4: Simplify right side
    15,127.80x = 107,404,447.02
  5. Step 5: Solve for x
    x = 107,404,447.02/15,127.80
  6. Step 6: Final answer
    x = 7,099.81

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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.