Home / 14,779.44-20,394.96-8,064.78

Finding the Fourth Proportional to 14,779.44, 20,394.96 and 8,064.78

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Solution

The fourth proportional to 14,779.44, 20,394.96 and 8,064.78 is: 11,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.44 : 20,394.96 = 8,064.78 : x
  2. Step 2: Convert to fraction form
    14,779.44/20,394.96 = 8,064.78/x
  3. Step 3: Cross multiply
    14,779.44x = 20,394.96 × 8,064.78
  4. Step 4: Simplify right side
    14,779.44x = 164,480,865.51
  5. Step 5: Solve for x
    x = 164,480,865.51/14,779.44
  6. Step 6: Final answer
    x = 11,129.03

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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.