Home / 16,779.18-25,172.88-8,349.66

Finding the Fourth Proportional to 16,779.18, 25,172.88 and 8,349.66

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Solution

The fourth proportional to 16,779.18, 25,172.88 and 8,349.66 is: 12,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.18 : 25,172.88 = 8,349.66 : x
  2. Step 2: Convert to fraction form
    16,779.18/25,172.88 = 8,349.66/x
  3. Step 3: Cross multiply
    16,779.18x = 25,172.88 × 8,349.66
  4. Step 4: Simplify right side
    16,779.18x = 210,184,989.22
  5. Step 5: Solve for x
    x = 210,184,989.22/16,779.18
  6. Step 6: Final answer
    x = 12,526.54

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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.