Home / 14,612.82-21,914.56-4,749.72

Finding the Fourth Proportional to 14,612.82, 21,914.56 and 4,749.72

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Solution

The fourth proportional to 14,612.82, 21,914.56 and 4,749.72 is: 7,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.82 : 21,914.56 = 4,749.72 : x
  2. Step 2: Convert to fraction form
    14,612.82/21,914.56 = 4,749.72/x
  3. Step 3: Cross multiply
    14,612.82x = 21,914.56 × 4,749.72
  4. Step 4: Simplify right side
    14,612.82x = 104,087,947.68
  5. Step 5: Solve for x
    x = 104,087,947.68/14,612.82
  6. Step 6: Final answer
    x = 7,123.06

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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.