Home / 20,027.94-29,965.56-12,430.41

Finding the Fourth Proportional to 20,027.94, 29,965.56 and 12,430.41

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Solution

The fourth proportional to 20,027.94, 29,965.56 and 12,430.41 is: 18,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.94 : 29,965.56 = 12,430.41 : x
  2. Step 2: Convert to fraction form
    20,027.94/29,965.56 = 12,430.41/x
  3. Step 3: Cross multiply
    20,027.94x = 29,965.56 × 12,430.41
  4. Step 4: Simplify right side
    20,027.94x = 372,484,196.68
  5. Step 5: Solve for x
    x = 372,484,196.68/20,027.94
  6. Step 6: Final answer
    x = 18,598.23

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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.