Home / 43,299.81-64,951.56-13,716.99

Finding the Fourth Proportional to 43,299.81, 64,951.56 and 13,716.99

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Solution

The fourth proportional to 43,299.81, 64,951.56 and 13,716.99 is: 20,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.81 : 64,951.56 = 13,716.99 : x
  2. Step 2: Convert to fraction form
    43,299.81/64,951.56 = 13,716.99/x
  3. Step 3: Cross multiply
    43,299.81x = 64,951.56 × 13,716.99
  4. Step 4: Simplify right side
    43,299.81x = 890,939,899.00
  5. Step 5: Solve for x
    x = 890,939,899.00/43,299.81
  6. Step 6: Final answer
    x = 20,576.07

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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.