Home / 14,091.20-19,446.45-7,803.57

Finding the Fourth Proportional to 14,091.20, 19,446.45 and 7,803.57

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Solution

The fourth proportional to 14,091.20, 19,446.45 and 7,803.57 is: 10,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.20 : 19,446.45 = 7,803.57 : x
  2. Step 2: Convert to fraction form
    14,091.20/19,446.45 = 7,803.57/x
  3. Step 3: Cross multiply
    14,091.20x = 19,446.45 × 7,803.57
  4. Step 4: Simplify right side
    14,091.20x = 151,751,733.83
  5. Step 5: Solve for x
    x = 151,751,733.83/14,091.20
  6. Step 6: Final answer
    x = 10,769.26

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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.