Home / 19,389.16-29,092.38-10,153

Finding the Fourth Proportional to 19,389.16, 29,092.38 and 10,153

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Solution

The fourth proportional to 19,389.16, 29,092.38 and 10,153 is: 15,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.16 : 29,092.38 = 10,153 : x
  2. Step 2: Convert to fraction form
    19,389.16/29,092.38 = 10,153/x
  3. Step 3: Cross multiply
    19,389.16x = 29,092.38 × 10,153
  4. Step 4: Simplify right side
    19,389.16x = 295,374,934.14
  5. Step 5: Solve for x
    x = 295,374,934.14/19,389.16
  6. Step 6: Final answer
    x = 15,234.02

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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.