Home / 14,113.24-19,475.22-7,738.80

Finding the Fourth Proportional to 14,113.24, 19,475.22 and 7,738.80

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Solution

The fourth proportional to 14,113.24, 19,475.22 and 7,738.80 is: 10,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.24 : 19,475.22 = 7,738.80 : x
  2. Step 2: Convert to fraction form
    14,113.24/19,475.22 = 7,738.80/x
  3. Step 3: Cross multiply
    14,113.24x = 19,475.22 × 7,738.80
  4. Step 4: Simplify right side
    14,113.24x = 150,714,832.54
  5. Step 5: Solve for x
    x = 150,714,832.54/14,113.24
  6. Step 6: Final answer
    x = 10,678.97

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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.