Home / 18,111.32-27,168.20-4,962.59

Finding the Fourth Proportional to 18,111.32, 27,168.20 and 4,962.59

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Solution

The fourth proportional to 18,111.32, 27,168.20 and 4,962.59 is: 7,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.32 : 27,168.20 = 4,962.59 : x
  2. Step 2: Convert to fraction form
    18,111.32/27,168.20 = 4,962.59/x
  3. Step 3: Cross multiply
    18,111.32x = 27,168.20 × 4,962.59
  4. Step 4: Simplify right side
    18,111.32x = 134,824,637.64
  5. Step 5: Solve for x
    x = 134,824,637.64/18,111.32
  6. Step 6: Final answer
    x = 7,444.22

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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.