Home / 16,779.08-25,176.83-11,880.20

Finding the Fourth Proportional to 16,779.08, 25,176.83 and 11,880.20

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Solution

The fourth proportional to 16,779.08, 25,176.83 and 11,880.20 is: 17,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.08 : 25,176.83 = 11,880.20 : x
  2. Step 2: Convert to fraction form
    16,779.08/25,176.83 = 11,880.20/x
  3. Step 3: Cross multiply
    16,779.08x = 25,176.83 × 11,880.20
  4. Step 4: Simplify right side
    16,779.08x = 299,105,779.31
  5. Step 5: Solve for x
    x = 299,105,779.31/16,779.08
  6. Step 6: Final answer
    x = 17,826.11

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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.