Home / 19,605.66-29,408.63-4,814.70

Finding the Fourth Proportional to 19,605.66, 29,408.63 and 4,814.70

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Solution

The fourth proportional to 19,605.66, 29,408.63 and 4,814.70 is: 7,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.66 : 29,408.63 = 4,814.70 : x
  2. Step 2: Convert to fraction form
    19,605.66/29,408.63 = 4,814.70/x
  3. Step 3: Cross multiply
    19,605.66x = 29,408.63 × 4,814.70
  4. Step 4: Simplify right side
    19,605.66x = 141,593,706.79
  5. Step 5: Solve for x
    x = 141,593,706.79/19,605.66
  6. Step 6: Final answer
    x = 7,222.08

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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.