Home / 56,639.20-84,958.48-14,519.20

Finding the Fourth Proportional to 56,639.20, 84,958.48 and 14,519.20

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Solution

The fourth proportional to 56,639.20, 84,958.48 and 14,519.20 is: 21,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,639.20 : 84,958.48 = 14,519.20 : x
  2. Step 2: Convert to fraction form
    56,639.20/84,958.48 = 14,519.20/x
  3. Step 3: Cross multiply
    56,639.20x = 84,958.48 × 14,519.20
  4. Step 4: Simplify right side
    56,639.20x = 1,233,529,162.82
  5. Step 5: Solve for x
    x = 1,233,529,162.82/56,639.20
  6. Step 6: Final answer
    x = 21,778.72

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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.