Home / 14,779.22-20,405.27-11,370.15

Finding the Fourth Proportional to 14,779.22, 20,405.27 and 11,370.15

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Solution

The fourth proportional to 14,779.22, 20,405.27 and 11,370.15 is: 15,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.22 : 20,405.27 = 11,370.15 : x
  2. Step 2: Convert to fraction form
    14,779.22/20,405.27 = 11,370.15/x
  3. Step 3: Cross multiply
    14,779.22x = 20,405.27 × 11,370.15
  4. Step 4: Simplify right side
    14,779.22x = 232,010,923.84
  5. Step 5: Solve for x
    x = 232,010,923.84/14,779.22
  6. Step 6: Final answer
    x = 15,698.46

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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.