Home / 20,026.64-27,640.34-12,073.25

Finding the Fourth Proportional to 20,026.64, 27,640.34 and 12,073.25

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Solution

The fourth proportional to 20,026.64, 27,640.34 and 12,073.25 is: 16,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.64 : 27,640.34 = 12,073.25 : x
  2. Step 2: Convert to fraction form
    20,026.64/27,640.34 = 12,073.25/x
  3. Step 3: Cross multiply
    20,026.64x = 27,640.34 × 12,073.25
  4. Step 4: Simplify right side
    20,026.64x = 333,708,788.91
  5. Step 5: Solve for x
    x = 333,708,788.91/20,026.64
  6. Step 6: Final answer
    x = 16,663.24

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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.