Home / 13,061.66-19,617.69-11,191.77

Finding the Fourth Proportional to 13,061.66, 19,617.69 and 11,191.77

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Solution

The fourth proportional to 13,061.66, 19,617.69 and 11,191.77 is: 16,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.66 : 19,617.69 = 11,191.77 : x
  2. Step 2: Convert to fraction form
    13,061.66/19,617.69 = 11,191.77/x
  3. Step 3: Cross multiply
    13,061.66x = 19,617.69 × 11,191.77
  4. Step 4: Simplify right side
    13,061.66x = 219,556,716.38
  5. Step 5: Solve for x
    x = 219,556,716.38/13,061.66
  6. Step 6: Final answer
    x = 16,809.26

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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.