Home / 14,543.31-20,063.79-9,236.19

Finding the Fourth Proportional to 14,543.31, 20,063.79 and 9,236.19

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Solution

The fourth proportional to 14,543.31, 20,063.79 and 9,236.19 is: 12,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.31 : 20,063.79 = 9,236.19 : x
  2. Step 2: Convert to fraction form
    14,543.31/20,063.79 = 9,236.19/x
  3. Step 3: Cross multiply
    14,543.31x = 20,063.79 × 9,236.19
  4. Step 4: Simplify right side
    14,543.31x = 185,312,976.56
  5. Step 5: Solve for x
    x = 185,312,976.56/14,543.31
  6. Step 6: Final answer
    x = 12,742.15

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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.