Home / 14,773.81-22,160.31-4,778.53

Finding the Fourth Proportional to 14,773.81, 22,160.31 and 4,778.53

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Solution

The fourth proportional to 14,773.81, 22,160.31 and 4,778.53 is: 7,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.81 : 22,160.31 = 4,778.53 : x
  2. Step 2: Convert to fraction form
    14,773.81/22,160.31 = 4,778.53/x
  3. Step 3: Cross multiply
    14,773.81x = 22,160.31 × 4,778.53
  4. Step 4: Simplify right side
    14,773.81x = 105,893,706.14
  5. Step 5: Solve for x
    x = 105,893,706.14/14,773.81
  6. Step 6: Final answer
    x = 7,167.66

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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.