Home / 19,552.45-29,328.40-4,761.40

Finding the Fourth Proportional to 19,552.45, 29,328.40 and 4,761.40

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Solution

The fourth proportional to 19,552.45, 29,328.40 and 4,761.40 is: 7,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.45 : 29,328.40 = 4,761.40 : x
  2. Step 2: Convert to fraction form
    19,552.45/29,328.40 = 4,761.40/x
  3. Step 3: Cross multiply
    19,552.45x = 29,328.40 × 4,761.40
  4. Step 4: Simplify right side
    19,552.45x = 139,644,243.76
  5. Step 5: Solve for x
    x = 139,644,243.76/19,552.45
  6. Step 6: Final answer
    x = 7,142.03

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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.