Home / 13,645.96-20,424.54-7,632.11

Finding the Fourth Proportional to 13,645.96, 20,424.54 and 7,632.11

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Solution

The fourth proportional to 13,645.96, 20,424.54 and 7,632.11 is: 11,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.96 : 20,424.54 = 7,632.11 : x
  2. Step 2: Convert to fraction form
    13,645.96/20,424.54 = 7,632.11/x
  3. Step 3: Cross multiply
    13,645.96x = 20,424.54 × 7,632.11
  4. Step 4: Simplify right side
    13,645.96x = 155,882,297.82
  5. Step 5: Solve for x
    x = 155,882,297.82/13,645.96
  6. Step 6: Final answer
    x = 11,423.33

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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.