Home / 43,603.14-65,408.70-14,013.66

Finding the Fourth Proportional to 43,603.14, 65,408.70 and 14,013.66

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Solution

The fourth proportional to 43,603.14, 65,408.70 and 14,013.66 is: 21,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,603.14 : 65,408.70 = 14,013.66 : x
  2. Step 2: Convert to fraction form
    43,603.14/65,408.70 = 14,013.66/x
  3. Step 3: Cross multiply
    43,603.14x = 65,408.70 × 14,013.66
  4. Step 4: Simplify right side
    43,603.14x = 916,615,282.84
  5. Step 5: Solve for x
    x = 916,615,282.84/43,603.14
  6. Step 6: Final answer
    x = 21,021.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.