Home / 14,449.55-21,686.63-5,690.62

Finding the Fourth Proportional to 14,449.55, 21,686.63 and 5,690.62

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Solution

The fourth proportional to 14,449.55, 21,686.63 and 5,690.62 is: 8,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.55 : 21,686.63 = 5,690.62 : x
  2. Step 2: Convert to fraction form
    14,449.55/21,686.63 = 5,690.62/x
  3. Step 3: Cross multiply
    14,449.55x = 21,686.63 × 5,690.62
  4. Step 4: Simplify right side
    14,449.55x = 123,410,261.98
  5. Step 5: Solve for x
    x = 123,410,261.98/14,449.55
  6. Step 6: Final answer
    x = 8,540.77

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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.