Home / 14,883.35-20,538.36-8,169.08

Finding the Fourth Proportional to 14,883.35, 20,538.36 and 8,169.08

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Solution

The fourth proportional to 14,883.35, 20,538.36 and 8,169.08 is: 11,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.35 : 20,538.36 = 8,169.08 : x
  2. Step 2: Convert to fraction form
    14,883.35/20,538.36 = 8,169.08/x
  3. Step 3: Cross multiply
    14,883.35x = 20,538.36 × 8,169.08
  4. Step 4: Simplify right side
    14,883.35x = 167,779,403.22
  5. Step 5: Solve for x
    x = 167,779,403.22/14,883.35
  6. Step 6: Final answer
    x = 11,272.96

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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.