Home / 13,534.05-20,308.32-5,642.01

Finding the Fourth Proportional to 13,534.05, 20,308.32 and 5,642.01

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Solution

The fourth proportional to 13,534.05, 20,308.32 and 5,642.01 is: 8,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.05 : 20,308.32 = 5,642.01 : x
  2. Step 2: Convert to fraction form
    13,534.05/20,308.32 = 5,642.01/x
  3. Step 3: Cross multiply
    13,534.05x = 20,308.32 × 5,642.01
  4. Step 4: Simplify right side
    13,534.05x = 114,579,744.52
  5. Step 5: Solve for x
    x = 114,579,744.52/13,534.05
  6. Step 6: Final answer
    x = 8,466.04

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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.