Home / 26,157.60-36,036.48-18,186

Finding the Fourth Proportional to 26,157.60, 36,036.48 and 18,186

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Solution

The fourth proportional to 26,157.60, 36,036.48 and 18,186 is: 25,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,157.60 : 36,036.48 = 18,186 : x
  2. Step 2: Convert to fraction form
    26,157.60/36,036.48 = 18,186/x
  3. Step 3: Cross multiply
    26,157.60x = 36,036.48 × 18,186
  4. Step 4: Simplify right side
    26,157.60x = 655,359,425.28
  5. Step 5: Solve for x
    x = 655,359,425.28/26,157.60
  6. Step 6: Final answer
    x = 25,054.26

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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.