Home / 14,499.50-21,749.26-3,555.50

Finding the Fourth Proportional to 14,499.50, 21,749.26 and 3,555.50

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Solution

The fourth proportional to 14,499.50, 21,749.26 and 3,555.50 is: 5,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.50 : 21,749.26 = 3,555.50 : x
  2. Step 2: Convert to fraction form
    14,499.50/21,749.26 = 3,555.50/x
  3. Step 3: Cross multiply
    14,499.50x = 21,749.26 × 3,555.50
  4. Step 4: Simplify right side
    14,499.50x = 77,329,493.93
  5. Step 5: Solve for x
    x = 77,329,493.93/14,499.50
  6. Step 6: Final answer
    x = 5,333.25

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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.