Home / 14,581.08-20,121.26-8,293.40

Finding the Fourth Proportional to 14,581.08, 20,121.26 and 8,293.40

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Solution

The fourth proportional to 14,581.08, 20,121.26 and 8,293.40 is: 11,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.08 : 20,121.26 = 8,293.40 : x
  2. Step 2: Convert to fraction form
    14,581.08/20,121.26 = 8,293.40/x
  3. Step 3: Cross multiply
    14,581.08x = 20,121.26 × 8,293.40
  4. Step 4: Simplify right side
    14,581.08x = 166,873,657.68
  5. Step 5: Solve for x
    x = 166,873,657.68/14,581.08
  6. Step 6: Final answer
    x = 11,444.53

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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.