Home / 20,293.03-27,994.61-12,735.63

Finding the Fourth Proportional to 20,293.03, 27,994.61 and 12,735.63

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Solution

The fourth proportional to 20,293.03, 27,994.61 and 12,735.63 is: 17,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.03 : 27,994.61 = 12,735.63 : x
  2. Step 2: Convert to fraction form
    20,293.03/27,994.61 = 12,735.63/x
  3. Step 3: Cross multiply
    20,293.03x = 27,994.61 × 12,735.63
  4. Step 4: Simplify right side
    20,293.03x = 356,529,026.79
  5. Step 5: Solve for x
    x = 356,529,026.79/20,293.03
  6. Step 6: Final answer
    x = 17,569.04

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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.