Home / 13,529.88-20,300.58-11,577.24

Finding the Fourth Proportional to 13,529.88, 20,300.58 and 11,577.24

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Solution

The fourth proportional to 13,529.88, 20,300.58 and 11,577.24 is: 17,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.88 : 20,300.58 = 11,577.24 : x
  2. Step 2: Convert to fraction form
    13,529.88/20,300.58 = 11,577.24/x
  3. Step 3: Cross multiply
    13,529.88x = 20,300.58 × 11,577.24
  4. Step 4: Simplify right side
    13,529.88x = 235,024,686.80
  5. Step 5: Solve for x
    x = 235,024,686.80/13,529.88
  6. Step 6: Final answer
    x = 17,370.79

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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.