Home / 14,645.28-20,112.99-12,283.32

Finding the Fourth Proportional to 14,645.28, 20,112.99 and 12,283.32

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Solution

The fourth proportional to 14,645.28, 20,112.99 and 12,283.32 is: 16,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.28 : 20,112.99 = 12,283.32 : x
  2. Step 2: Convert to fraction form
    14,645.28/20,112.99 = 12,283.32/x
  3. Step 3: Cross multiply
    14,645.28x = 20,112.99 × 12,283.32
  4. Step 4: Simplify right side
    14,645.28x = 247,054,292.33
  5. Step 5: Solve for x
    x = 247,054,292.33/14,645.28
  6. Step 6: Final answer
    x = 16,869.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.