Home / 19,616.49-29,428.26-7,154.01

Finding the Fourth Proportional to 19,616.49, 29,428.26 and 7,154.01

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Solution

The fourth proportional to 19,616.49, 29,428.26 and 7,154.01 is: 10,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.49 : 29,428.26 = 7,154.01 : x
  2. Step 2: Convert to fraction form
    19,616.49/29,428.26 = 7,154.01/x
  3. Step 3: Cross multiply
    19,616.49x = 29,428.26 × 7,154.01
  4. Step 4: Simplify right side
    19,616.49x = 210,530,066.32
  5. Step 5: Solve for x
    x = 210,530,066.32/19,616.49
  6. Step 6: Final answer
    x = 10,732.30

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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.