Home / 15,851.43-23,779.85-5,460.75

Finding the Fourth Proportional to 15,851.43, 23,779.85 and 5,460.75

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Solution

The fourth proportional to 15,851.43, 23,779.85 and 5,460.75 is: 8,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.43 : 23,779.85 = 5,460.75 : x
  2. Step 2: Convert to fraction form
    15,851.43/23,779.85 = 5,460.75/x
  3. Step 3: Cross multiply
    15,851.43x = 23,779.85 × 5,460.75
  4. Step 4: Simplify right side
    15,851.43x = 129,855,788.58
  5. Step 5: Solve for x
    x = 129,855,788.58/15,851.43
  6. Step 6: Final answer
    x = 8,192.06

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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.