Home / 15,182.91-22,777.38-5,322.51

Finding the Fourth Proportional to 15,182.91, 22,777.38 and 5,322.51

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Solution

The fourth proportional to 15,182.91, 22,777.38 and 5,322.51 is: 7,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.91 : 22,777.38 = 5,322.51 : x
  2. Step 2: Convert to fraction form
    15,182.91/22,777.38 = 5,322.51/x
  3. Step 3: Cross multiply
    15,182.91x = 22,777.38 × 5,322.51
  4. Step 4: Simplify right side
    15,182.91x = 121,232,832.82
  5. Step 5: Solve for x
    x = 121,232,832.82/15,182.91
  6. Step 6: Final answer
    x = 7,984.82

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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.