Home / 20,054.94-27,676.26-12,993.63

Finding the Fourth Proportional to 20,054.94, 27,676.26 and 12,993.63

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Solution

The fourth proportional to 20,054.94, 27,676.26 and 12,993.63 is: 17,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.94 : 27,676.26 = 12,993.63 : x
  2. Step 2: Convert to fraction form
    20,054.94/27,676.26 = 12,993.63/x
  3. Step 3: Cross multiply
    20,054.94x = 27,676.26 × 12,993.63
  4. Step 4: Simplify right side
    20,054.94x = 359,615,082.22
  5. Step 5: Solve for x
    x = 359,615,082.22/20,054.94
  6. Step 6: Final answer
    x = 17,931.50

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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.