Home / 16,779.83-25,154.02-5,678.75

Finding the Fourth Proportional to 16,779.83, 25,154.02 and 5,678.75

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Solution

The fourth proportional to 16,779.83, 25,154.02 and 5,678.75 is: 8,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.83 : 25,154.02 = 5,678.75 : x
  2. Step 2: Convert to fraction form
    16,779.83/25,154.02 = 5,678.75/x
  3. Step 3: Cross multiply
    16,779.83x = 25,154.02 × 5,678.75
  4. Step 4: Simplify right side
    16,779.83x = 142,843,391.08
  5. Step 5: Solve for x
    x = 142,843,391.08/16,779.83
  6. Step 6: Final answer
    x = 8,512.80

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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.