Home / 16,779.70-25,148.02-6,925.90

Finding the Fourth Proportional to 16,779.70, 25,148.02 and 6,925.90

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Solution

The fourth proportional to 16,779.70, 25,148.02 and 6,925.90 is: 10,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.70 : 25,148.02 = 6,925.90 : x
  2. Step 2: Convert to fraction form
    16,779.70/25,148.02 = 6,925.90/x
  3. Step 3: Cross multiply
    16,779.70x = 25,148.02 × 6,925.90
  4. Step 4: Simplify right side
    16,779.70x = 174,172,671.72
  5. Step 5: Solve for x
    x = 174,172,671.72/16,779.70
  6. Step 6: Final answer
    x = 10,379.96

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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.