Home / 13,502.88-20,250.48-5,182.32

Finding the Fourth Proportional to 13,502.88, 20,250.48 and 5,182.32

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Solution

The fourth proportional to 13,502.88, 20,250.48 and 5,182.32 is: 7,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.88 : 20,250.48 = 5,182.32 : x
  2. Step 2: Convert to fraction form
    13,502.88/20,250.48 = 5,182.32/x
  3. Step 3: Cross multiply
    13,502.88x = 20,250.48 × 5,182.32
  4. Step 4: Simplify right side
    13,502.88x = 104,944,467.51
  5. Step 5: Solve for x
    x = 104,944,467.51/13,502.88
  6. Step 6: Final answer
    x = 7,772.01

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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.