Home / 25,168.05-34,729.20-14,555.61

Finding the Fourth Proportional to 25,168.05, 34,729.20 and 14,555.61

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Solution

The fourth proportional to 25,168.05, 34,729.20 and 14,555.61 is: 20,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.05 : 34,729.20 = 14,555.61 : x
  2. Step 2: Convert to fraction form
    25,168.05/34,729.20 = 14,555.61/x
  3. Step 3: Cross multiply
    25,168.05x = 34,729.20 × 14,555.61
  4. Step 4: Simplify right side
    25,168.05x = 505,504,690.81
  5. Step 5: Solve for x
    x = 505,504,690.81/25,168.05
  6. Step 6: Final answer
    x = 20,085.18

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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.