Home / 14,513.85-20,028.33-8,544.15

Finding the Fourth Proportional to 14,513.85, 20,028.33 and 8,544.15

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Solution

The fourth proportional to 14,513.85, 20,028.33 and 8,544.15 is: 11,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.85 : 20,028.33 = 8,544.15 : x
  2. Step 2: Convert to fraction form
    14,513.85/20,028.33 = 8,544.15/x
  3. Step 3: Cross multiply
    14,513.85x = 20,028.33 × 8,544.15
  4. Step 4: Simplify right side
    14,513.85x = 171,125,055.77
  5. Step 5: Solve for x
    x = 171,125,055.77/14,513.85
  6. Step 6: Final answer
    x = 11,790.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.