Home / 20,848.74-28,743.41-17,250.44

Finding the Fourth Proportional to 20,848.74, 28,743.41 and 17,250.44

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Solution

The fourth proportional to 20,848.74, 28,743.41 and 17,250.44 is: 23,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.74 : 28,743.41 = 17,250.44 : x
  2. Step 2: Convert to fraction form
    20,848.74/28,743.41 = 17,250.44/x
  3. Step 3: Cross multiply
    20,848.74x = 28,743.41 × 17,250.44
  4. Step 4: Simplify right side
    20,848.74x = 495,836,514.50
  5. Step 5: Solve for x
    x = 495,836,514.50/20,848.74
  6. Step 6: Final answer
    x = 23,782.56

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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.