Home / 16,779.90-25,168.40-7,893.14

Finding the Fourth Proportional to 16,779.90, 25,168.40 and 7,893.14

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Solution

The fourth proportional to 16,779.90, 25,168.40 and 7,893.14 is: 11,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.90 : 25,168.40 = 7,893.14 : x
  2. Step 2: Convert to fraction form
    16,779.90/25,168.40 = 7,893.14/x
  3. Step 3: Cross multiply
    16,779.90x = 25,168.40 × 7,893.14
  4. Step 4: Simplify right side
    16,779.90x = 198,657,539.47
  5. Step 5: Solve for x
    x = 198,657,539.47/16,779.90
  6. Step 6: Final answer
    x = 11,839.02

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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.