Home / 19,839.84-29,762.64-9,443.04

Finding the Fourth Proportional to 19,839.84, 29,762.64 and 9,443.04

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Solution

The fourth proportional to 19,839.84, 29,762.64 and 9,443.04 is: 14,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.84 : 29,762.64 = 9,443.04 : x
  2. Step 2: Convert to fraction form
    19,839.84/29,762.64 = 9,443.04/x
  3. Step 3: Cross multiply
    19,839.84x = 29,762.64 × 9,443.04
  4. Step 4: Simplify right side
    19,839.84x = 281,049,800.03
  5. Step 5: Solve for x
    x = 281,049,800.03/19,839.84
  6. Step 6: Final answer
    x = 14,165.93

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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.