Home / 16,779.04-25,179.90-6,390.52

Finding the Fourth Proportional to 16,779.04, 25,179.90 and 6,390.52

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Solution

The fourth proportional to 16,779.04, 25,179.90 and 6,390.52 is: 9,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.04 : 25,179.90 = 6,390.52 : x
  2. Step 2: Convert to fraction form
    16,779.04/25,179.90 = 6,390.52/x
  3. Step 3: Cross multiply
    16,779.04x = 25,179.90 × 6,390.52
  4. Step 4: Simplify right side
    16,779.04x = 160,912,654.55
  5. Step 5: Solve for x
    x = 160,912,654.55/16,779.04
  6. Step 6: Final answer
    x = 9,590.10

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1.5x scale

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.