Home / 19,131.01-26,396.69-11,169.62

Finding the Fourth Proportional to 19,131.01, 26,396.69 and 11,169.62

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Solution

The fourth proportional to 19,131.01, 26,396.69 and 11,169.62 is: 15,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.01 : 26,396.69 = 11,169.62 : x
  2. Step 2: Convert to fraction form
    19,131.01/26,396.69 = 11,169.62/x
  3. Step 3: Cross multiply
    19,131.01x = 26,396.69 × 11,169.62
  4. Step 4: Simplify right side
    19,131.01x = 294,840,808.73
  5. Step 5: Solve for x
    x = 294,840,808.73/19,131.01
  6. Step 6: Final answer
    x = 15,411.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.