Home / 14,148.36-21,190.19-6,758.01

Finding the Fourth Proportional to 14,148.36, 21,190.19 and 6,758.01

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Solution

The fourth proportional to 14,148.36, 21,190.19 and 6,758.01 is: 10,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.36 : 21,190.19 = 6,758.01 : x
  2. Step 2: Convert to fraction form
    14,148.36/21,190.19 = 6,758.01/x
  3. Step 3: Cross multiply
    14,148.36x = 21,190.19 × 6,758.01
  4. Step 4: Simplify right side
    14,148.36x = 143,203,482.13
  5. Step 5: Solve for x
    x = 143,203,482.13/14,148.36
  6. Step 6: Final answer
    x = 10,121.56

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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.