Home / 26,991.77-37,248.66-15,663.56

Finding the Fourth Proportional to 26,991.77, 37,248.66 and 15,663.56

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Solution

The fourth proportional to 26,991.77, 37,248.66 and 15,663.56 is: 21,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.77 : 37,248.66 = 15,663.56 : x
  2. Step 2: Convert to fraction form
    26,991.77/37,248.66 = 15,663.56/x
  3. Step 3: Cross multiply
    26,991.77x = 37,248.66 × 15,663.56
  4. Step 4: Simplify right side
    26,991.77x = 583,446,620.83
  5. Step 5: Solve for x
    x = 583,446,620.83/26,991.77
  6. Step 6: Final answer
    x = 21,615.73

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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.