Home / 26,186.88-36,127.80-18,630.84

Finding the Fourth Proportional to 26,186.88, 36,127.80 and 18,630.84

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Solution

The fourth proportional to 26,186.88, 36,127.80 and 18,630.84 is: 25,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.88 : 36,127.80 = 18,630.84 : x
  2. Step 2: Convert to fraction form
    26,186.88/36,127.80 = 18,630.84/x
  3. Step 3: Cross multiply
    26,186.88x = 36,127.80 × 18,630.84
  4. Step 4: Simplify right side
    26,186.88x = 673,091,261.35
  5. Step 5: Solve for x
    x = 673,091,261.35/26,186.88
  6. Step 6: Final answer
    x = 25,703.38

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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.