Home / 19,960.20-29,958.75-10,106.37

Finding the Fourth Proportional to 19,960.20, 29,958.75 and 10,106.37

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Solution

The fourth proportional to 19,960.20, 29,958.75 and 10,106.37 is: 15,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.20 : 29,958.75 = 10,106.37 : x
  2. Step 2: Convert to fraction form
    19,960.20/29,958.75 = 10,106.37/x
  3. Step 3: Cross multiply
    19,960.20x = 29,958.75 × 10,106.37
  4. Step 4: Simplify right side
    19,960.20x = 302,774,212.24
  5. Step 5: Solve for x
    x = 302,774,212.24/19,960.20
  6. Step 6: Final answer
    x = 15,168.90

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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.