Home / 13,416.51-20,138.00-10,073.12

Finding the Fourth Proportional to 13,416.51, 20,138.00 and 10,073.12

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Solution

The fourth proportional to 13,416.51, 20,138.00 and 10,073.12 is: 15,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.51 : 20,138.00 = 10,073.12 : x
  2. Step 2: Convert to fraction form
    13,416.51/20,138.00 = 10,073.12/x
  3. Step 3: Cross multiply
    13,416.51x = 20,138.00 × 10,073.12
  4. Step 4: Simplify right side
    13,416.51x = 202,852,490.54
  5. Step 5: Solve for x
    x = 202,852,490.54/13,416.51
  6. Step 6: Final answer
    x = 15,119.62

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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.