Home / 16,779.24-23,160.24-11,190.24

Finding the Fourth Proportional to 16,779.24, 23,160.24 and 11,190.24

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Solution

The fourth proportional to 16,779.24, 23,160.24 and 11,190.24 is: 15,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.24 : 23,160.24 = 11,190.24 : x
  2. Step 2: Convert to fraction form
    16,779.24/23,160.24 = 11,190.24/x
  3. Step 3: Cross multiply
    16,779.24x = 23,160.24 × 11,190.24
  4. Step 4: Simplify right side
    16,779.24x = 259,168,644.06
  5. Step 5: Solve for x
    x = 259,168,644.06/16,779.24
  6. Step 6: Final answer
    x = 15,445.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.