Home / 14,663.11-21,991.28-8,741.66

Finding the Fourth Proportional to 14,663.11, 21,991.28 and 8,741.66

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Solution

The fourth proportional to 14,663.11, 21,991.28 and 8,741.66 is: 13,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.11 : 21,991.28 = 8,741.66 : x
  2. Step 2: Convert to fraction form
    14,663.11/21,991.28 = 8,741.66/x
  3. Step 3: Cross multiply
    14,663.11x = 21,991.28 × 8,741.66
  4. Step 4: Simplify right side
    14,663.11x = 192,240,215.89
  5. Step 5: Solve for x
    x = 192,240,215.89/14,663.11
  6. Step 6: Final answer
    x = 13,110.47

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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.