Home / 13,534.91-20,302.34-3,675.63

Finding the Fourth Proportional to 13,534.91, 20,302.34 and 3,675.63

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Solution

The fourth proportional to 13,534.91, 20,302.34 and 3,675.63 is: 5,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.91 : 20,302.34 = 3,675.63 : x
  2. Step 2: Convert to fraction form
    13,534.91/20,302.34 = 3,675.63/x
  3. Step 3: Cross multiply
    13,534.91x = 20,302.34 × 3,675.63
  4. Step 4: Simplify right side
    13,534.91x = 74,623,889.97
  5. Step 5: Solve for x
    x = 74,623,889.97/13,534.91
  6. Step 6: Final answer
    x = 5,513.44

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1.5x scale

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.