Home / 26,391.14-36,419.79-14,291.58

Finding the Fourth Proportional to 26,391.14, 36,419.79 and 14,291.58

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Solution

The fourth proportional to 26,391.14, 36,419.79 and 14,291.58 is: 19,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.14 : 36,419.79 = 14,291.58 : x
  2. Step 2: Convert to fraction form
    26,391.14/36,419.79 = 14,291.58/x
  3. Step 3: Cross multiply
    26,391.14x = 36,419.79 × 14,291.58
  4. Step 4: Simplify right side
    26,391.14x = 520,496,342.37
  5. Step 5: Solve for x
    x = 520,496,342.37/26,391.14
  6. Step 6: Final answer
    x = 19,722.39

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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.