Home / 43,329.24-64,993.69-13,749.38

Finding the Fourth Proportional to 43,329.24, 64,993.69 and 13,749.38

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Solution

The fourth proportional to 43,329.24, 64,993.69 and 13,749.38 is: 20,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,329.24 : 64,993.69 = 13,749.38 : x
  2. Step 2: Convert to fraction form
    43,329.24/64,993.69 = 13,749.38/x
  3. Step 3: Cross multiply
    43,329.24x = 64,993.69 × 13,749.38
  4. Step 4: Simplify right side
    43,329.24x = 893,623,103.90
  5. Step 5: Solve for x
    x = 893,623,103.90/43,329.24
  6. Step 6: Final answer
    x = 20,624.02

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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.