Home / 25,612.44-35,306.46-20,013.72

Finding the Fourth Proportional to 25,612.44, 35,306.46 and 20,013.72

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Solution

The fourth proportional to 25,612.44, 35,306.46 and 20,013.72 is: 27,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.44 : 35,306.46 = 20,013.72 : x
  2. Step 2: Convert to fraction form
    25,612.44/35,306.46 = 20,013.72/x
  3. Step 3: Cross multiply
    25,612.44x = 35,306.46 × 20,013.72
  4. Step 4: Simplify right side
    25,612.44x = 706,613,604.63
  5. Step 5: Solve for x
    x = 706,613,604.63/25,612.44
  6. Step 6: Final answer
    x = 27,588.69

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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.