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Finding the Fourth Proportional to 13,392.98, 20,073.54 and 10,095.20

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Solution

The fourth proportional to 13,392.98, 20,073.54 and 10,095.20 is: 15,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.98 : 20,073.54 = 10,095.20 : x
  2. Step 2: Convert to fraction form
    13,392.98/20,073.54 = 10,095.20/x
  3. Step 3: Cross multiply
    13,392.98x = 20,073.54 × 10,095.20
  4. Step 4: Simplify right side
    13,392.98x = 202,646,401.01
  5. Step 5: Solve for x
    x = 202,646,401.01/13,392.98
  6. Step 6: Final answer
    x = 15,130.79

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1.5x scale

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.