Home / 20,192.17-30,269.53-8,941.51

Finding the Fourth Proportional to 20,192.17, 30,269.53 and 8,941.51

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Solution

The fourth proportional to 20,192.17, 30,269.53 and 8,941.51 is: 13,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.17 : 30,269.53 = 8,941.51 : x
  2. Step 2: Convert to fraction form
    20,192.17/30,269.53 = 8,941.51/x
  3. Step 3: Cross multiply
    20,192.17x = 30,269.53 × 8,941.51
  4. Step 4: Simplify right side
    20,192.17x = 270,655,305.19
  5. Step 5: Solve for x
    x = 270,655,305.19/20,192.17
  6. Step 6: Final answer
    x = 13,403.97

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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.