Home / 23,779.37-32,815.64-13,168.78

Finding the Fourth Proportional to 23,779.37, 32,815.64 and 13,168.78

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Solution

The fourth proportional to 23,779.37, 32,815.64 and 13,168.78 is: 18,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.37 : 32,815.64 = 13,168.78 : x
  2. Step 2: Convert to fraction form
    23,779.37/32,815.64 = 13,168.78/x
  3. Step 3: Cross multiply
    23,779.37x = 32,815.64 × 13,168.78
  4. Step 4: Simplify right side
    23,779.37x = 432,141,845.22
  5. Step 5: Solve for x
    x = 432,141,845.22/23,779.37
  6. Step 6: Final answer
    x = 18,172.97

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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.