Home / 14,585.86-20,127.45-11,449.54

Finding the Fourth Proportional to 14,585.86, 20,127.45 and 11,449.54

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Solution

The fourth proportional to 14,585.86, 20,127.45 and 11,449.54 is: 15,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.86 : 20,127.45 = 11,449.54 : x
  2. Step 2: Convert to fraction form
    14,585.86/20,127.45 = 11,449.54/x
  3. Step 3: Cross multiply
    14,585.86x = 20,127.45 × 11,449.54
  4. Step 4: Simplify right side
    14,585.86x = 230,450,043.87
  5. Step 5: Solve for x
    x = 230,450,043.87/14,585.86
  6. Step 6: Final answer
    x = 15,799.55

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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.