Home / 14,653.96-21,980.66-3,560.55

Finding the Fourth Proportional to 14,653.96, 21,980.66 and 3,560.55

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Solution

The fourth proportional to 14,653.96, 21,980.66 and 3,560.55 is: 5,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.96 : 21,980.66 = 3,560.55 : x
  2. Step 2: Convert to fraction form
    14,653.96/21,980.66 = 3,560.55/x
  3. Step 3: Cross multiply
    14,653.96x = 21,980.66 × 3,560.55
  4. Step 4: Simplify right side
    14,653.96x = 78,263,221.16
  5. Step 5: Solve for x
    x = 78,263,221.16/14,653.96
  6. Step 6: Final answer
    x = 5,340.76

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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.