Home / 14,490.50-21,731.06-4,627.47

Finding the Fourth Proportional to 14,490.50, 21,731.06 and 4,627.47

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Solution

The fourth proportional to 14,490.50, 21,731.06 and 4,627.47 is: 6,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.50 : 21,731.06 = 4,627.47 : x
  2. Step 2: Convert to fraction form
    14,490.50/21,731.06 = 4,627.47/x
  3. Step 3: Cross multiply
    14,490.50x = 21,731.06 × 4,627.47
  4. Step 4: Simplify right side
    14,490.50x = 100,559,839.79
  5. Step 5: Solve for x
    x = 100,559,839.79/14,490.50
  6. Step 6: Final answer
    x = 6,939.71

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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.