Home / 19,388.16-29,087.28-5,537.16

Finding the Fourth Proportional to 19,388.16, 29,087.28 and 5,537.16

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Solution

The fourth proportional to 19,388.16, 29,087.28 and 5,537.16 is: 8,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.16 : 29,087.28 = 5,537.16 : x
  2. Step 2: Convert to fraction form
    19,388.16/29,087.28 = 5,537.16/x
  3. Step 3: Cross multiply
    19,388.16x = 29,087.28 × 5,537.16
  4. Step 4: Simplify right side
    19,388.16x = 161,060,923.32
  5. Step 5: Solve for x
    x = 161,060,923.32/19,388.16
  6. Step 6: Final answer
    x = 8,307.18

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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.