Home / 17,979.88-26,968.36-4,832.20

Finding the Fourth Proportional to 17,979.88, 26,968.36 and 4,832.20

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Solution

The fourth proportional to 17,979.88, 26,968.36 and 4,832.20 is: 7,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.88 : 26,968.36 = 4,832.20 : x
  2. Step 2: Convert to fraction form
    17,979.88/26,968.36 = 4,832.20/x
  3. Step 3: Cross multiply
    17,979.88x = 26,968.36 × 4,832.20
  4. Step 4: Simplify right side
    17,979.88x = 130,316,509.19
  5. Step 5: Solve for x
    x = 130,316,509.19/17,979.88
  6. Step 6: Final answer
    x = 7,247.91

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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.