Home / 16,261.96-22,419.30-10,290.64

Finding the Fourth Proportional to 16,261.96, 22,419.30 and 10,290.64

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Solution

The fourth proportional to 16,261.96, 22,419.30 and 10,290.64 is: 14,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.96 : 22,419.30 = 10,290.64 : x
  2. Step 2: Convert to fraction form
    16,261.96/22,419.30 = 10,290.64/x
  3. Step 3: Cross multiply
    16,261.96x = 22,419.30 × 10,290.64
  4. Step 4: Simplify right side
    16,261.96x = 230,708,945.35
  5. Step 5: Solve for x
    x = 230,708,945.35/16,261.96
  6. Step 6: Final answer
    x = 14,187.03

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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.