Home / 14,057.16-19,398.11-7,769.13

Finding the Fourth Proportional to 14,057.16, 19,398.11 and 7,769.13

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Solution

The fourth proportional to 14,057.16, 19,398.11 and 7,769.13 is: 10,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.16 : 19,398.11 = 7,769.13 : x
  2. Step 2: Convert to fraction form
    14,057.16/19,398.11 = 7,769.13/x
  3. Step 3: Cross multiply
    14,057.16x = 19,398.11 × 7,769.13
  4. Step 4: Simplify right side
    14,057.16x = 150,706,341.35
  5. Step 5: Solve for x
    x = 150,706,341.35/14,057.16
  6. Step 6: Final answer
    x = 10,720.97

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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.