Home / 36,779.44-55,166.28-13,411.12

Finding the Fourth Proportional to 36,779.44, 55,166.28 and 13,411.12

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Solution

The fourth proportional to 36,779.44, 55,166.28 and 13,411.12 is: 20,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.44 : 55,166.28 = 13,411.12 : x
  2. Step 2: Convert to fraction form
    36,779.44/55,166.28 = 13,411.12/x
  3. Step 3: Cross multiply
    36,779.44x = 55,166.28 × 13,411.12
  4. Step 4: Simplify right side
    36,779.44x = 739,841,601.03
  5. Step 5: Solve for x
    x = 739,841,601.03/36,779.44
  6. Step 6: Final answer
    x = 20,115.63

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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.