Home / 16,876.09-25,317.72-5,779.80

Finding the Fourth Proportional to 16,876.09, 25,317.72 and 5,779.80

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Solution

The fourth proportional to 16,876.09, 25,317.72 and 5,779.80 is: 8,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.09 : 25,317.72 = 5,779.80 : x
  2. Step 2: Convert to fraction form
    16,876.09/25,317.72 = 5,779.80/x
  3. Step 3: Cross multiply
    16,876.09x = 25,317.72 × 5,779.80
  4. Step 4: Simplify right side
    16,876.09x = 146,331,329.16
  5. Step 5: Solve for x
    x = 146,331,329.16/16,876.09
  6. Step 6: Final answer
    x = 8,670.93

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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.