Home / 11,922.06-16,419.18-11,663.76

Finding the Fourth Proportional to 11,922.06, 16,419.18 and 11,663.76

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Solution

The fourth proportional to 11,922.06, 16,419.18 and 11,663.76 is: 16,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.06 : 16,419.18 = 11,663.76 : x
  2. Step 2: Convert to fraction form
    11,922.06/16,419.18 = 11,663.76/x
  3. Step 3: Cross multiply
    11,922.06x = 16,419.18 × 11,663.76
  4. Step 4: Simplify right side
    11,922.06x = 191,509,374.92
  5. Step 5: Solve for x
    x = 191,509,374.92/11,922.06
  6. Step 6: Final answer
    x = 16,063.45

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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.