Home / 20,063.52-27,701.19-12,521.34

Finding the Fourth Proportional to 20,063.52, 27,701.19 and 12,521.34

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Solution

The fourth proportional to 20,063.52, 27,701.19 and 12,521.34 is: 17,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.52 : 27,701.19 = 12,521.34 : x
  2. Step 2: Convert to fraction form
    20,063.52/27,701.19 = 12,521.34/x
  3. Step 3: Cross multiply
    20,063.52x = 27,701.19 × 12,521.34
  4. Step 4: Simplify right side
    20,063.52x = 346,856,018.39
  5. Step 5: Solve for x
    x = 346,856,018.39/20,063.52
  6. Step 6: Final answer
    x = 17,287.89

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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.