Home / 19,372.16-29,063.11-5,521.16

Finding the Fourth Proportional to 19,372.16, 29,063.11 and 5,521.16

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Solution

The fourth proportional to 19,372.16, 29,063.11 and 5,521.16 is: 8,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.16 : 29,063.11 = 5,521.16 : x
  2. Step 2: Convert to fraction form
    19,372.16/29,063.11 = 5,521.16/x
  3. Step 3: Cross multiply
    19,372.16x = 29,063.11 × 5,521.16
  4. Step 4: Simplify right side
    19,372.16x = 160,461,935.09
  5. Step 5: Solve for x
    x = 160,461,935.09/19,372.16
  6. Step 6: Final answer
    x = 8,283.12

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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.