Home / 13,158.36-19,722.20-4,832.10

Finding the Fourth Proportional to 13,158.36, 19,722.20 and 4,832.10

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Solution

The fourth proportional to 13,158.36, 19,722.20 and 4,832.10 is: 7,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.36 : 19,722.20 = 4,832.10 : x
  2. Step 2: Convert to fraction form
    13,158.36/19,722.20 = 4,832.10/x
  3. Step 3: Cross multiply
    13,158.36x = 19,722.20 × 4,832.10
  4. Step 4: Simplify right side
    13,158.36x = 95,299,642.62
  5. Step 5: Solve for x
    x = 95,299,642.62/13,158.36
  6. Step 6: Final answer
    x = 7,242.52

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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.