Home / 39,709.80-59,571.18-13,416.12

Finding the Fourth Proportional to 39,709.80, 59,571.18 and 13,416.12

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Solution

The fourth proportional to 39,709.80, 59,571.18 and 13,416.12 is: 20,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709.80 : 59,571.18 = 13,416.12 : x
  2. Step 2: Convert to fraction form
    39,709.80/59,571.18 = 13,416.12/x
  3. Step 3: Cross multiply
    39,709.80x = 59,571.18 × 13,416.12
  4. Step 4: Simplify right side
    39,709.80x = 799,214,099.42
  5. Step 5: Solve for x
    x = 799,214,099.42/39,709.80
  6. Step 6: Final answer
    x = 20,126.37

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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.