Home / 19,988.98-29,983.46-5,948.94

Finding the Fourth Proportional to 19,988.98, 29,983.46 and 5,948.94

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Solution

The fourth proportional to 19,988.98, 29,983.46 and 5,948.94 is: 8,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.98 : 29,983.46 = 5,948.94 : x
  2. Step 2: Convert to fraction form
    19,988.98/29,983.46 = 5,948.94/x
  3. Step 3: Cross multiply
    19,988.98x = 29,983.46 × 5,948.94
  4. Step 4: Simplify right side
    19,988.98x = 178,369,804.53
  5. Step 5: Solve for x
    x = 178,369,804.53/19,988.98
  6. Step 6: Final answer
    x = 8,923.41

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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.