Home / 18,663.53-25,746.59-11,943.77

Finding the Fourth Proportional to 18,663.53, 25,746.59 and 11,943.77

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Solution

The fourth proportional to 18,663.53, 25,746.59 and 11,943.77 is: 16,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.53 : 25,746.59 = 11,943.77 : x
  2. Step 2: Convert to fraction form
    18,663.53/25,746.59 = 11,943.77/x
  3. Step 3: Cross multiply
    18,663.53x = 25,746.59 × 11,943.77
  4. Step 4: Simplify right side
    18,663.53x = 307,511,250.37
  5. Step 5: Solve for x
    x = 307,511,250.37/18,663.53
  6. Step 6: Final answer
    x = 16,476.59

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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.