Home / 26,440.21-36,434.77-18,865.19

Finding the Fourth Proportional to 26,440.21, 36,434.77 and 18,865.19

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Solution

The fourth proportional to 26,440.21, 36,434.77 and 18,865.19 is: 25,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.21 : 36,434.77 = 18,865.19 : x
  2. Step 2: Convert to fraction form
    26,440.21/36,434.77 = 18,865.19/x
  3. Step 3: Cross multiply
    26,440.21x = 36,434.77 × 18,865.19
  4. Step 4: Simplify right side
    26,440.21x = 687,348,858.66
  5. Step 5: Solve for x
    x = 687,348,858.66/26,440.21
  6. Step 6: Final answer
    x = 25,996.35

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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.