Home / 17,927.64-26,891.46-4,779.36

Finding the Fourth Proportional to 17,927.64, 26,891.46 and 4,779.36

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Solution

The fourth proportional to 17,927.64, 26,891.46 and 4,779.36 is: 7,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.64 : 26,891.46 = 4,779.36 : x
  2. Step 2: Convert to fraction form
    17,927.64/26,891.46 = 4,779.36/x
  3. Step 3: Cross multiply
    17,927.64x = 26,891.46 × 4,779.36
  4. Step 4: Simplify right side
    17,927.64x = 128,523,968.27
  5. Step 5: Solve for x
    x = 128,523,968.27/17,927.64
  6. Step 6: Final answer
    x = 7,169.04

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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.