Home / 25,744.68-38,556.54-12,555.72

Finding the Fourth Proportional to 25,744.68, 38,556.54 and 12,555.72

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Solution

The fourth proportional to 25,744.68, 38,556.54 and 12,555.72 is: 18,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,744.68 : 38,556.54 = 12,555.72 : x
  2. Step 2: Convert to fraction form
    25,744.68/38,556.54 = 12,555.72/x
  3. Step 3: Cross multiply
    25,744.68x = 38,556.54 × 12,555.72
  4. Step 4: Simplify right side
    25,744.68x = 484,105,120.41
  5. Step 5: Solve for x
    x = 484,105,120.41/25,744.68
  6. Step 6: Final answer
    x = 18,804.08

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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.