Home / 26,090.40-36,015.12-16,672.80

Finding the Fourth Proportional to 26,090.40, 36,015.12 and 16,672.80

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Solution

The fourth proportional to 26,090.40, 36,015.12 and 16,672.80 is: 23,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.40 : 36,015.12 = 16,672.80 : x
  2. Step 2: Convert to fraction form
    26,090.40/36,015.12 = 16,672.80/x
  3. Step 3: Cross multiply
    26,090.40x = 36,015.12 × 16,672.80
  4. Step 4: Simplify right side
    26,090.40x = 600,472,892.74
  5. Step 5: Solve for x
    x = 600,472,892.74/26,090.40
  6. Step 6: Final answer
    x = 23,015.09

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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.