Home / 14,271.24-21,408.98-4,913.68

Finding the Fourth Proportional to 14,271.24, 21,408.98 and 4,913.68

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Solution

The fourth proportional to 14,271.24, 21,408.98 and 4,913.68 is: 7,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.24 : 21,408.98 = 4,913.68 : x
  2. Step 2: Convert to fraction form
    14,271.24/21,408.98 = 4,913.68/x
  3. Step 3: Cross multiply
    14,271.24x = 21,408.98 × 4,913.68
  4. Step 4: Simplify right side
    14,271.24x = 105,196,876.85
  5. Step 5: Solve for x
    x = 105,196,876.85/14,271.24
  6. Step 6: Final answer
    x = 7,371.25

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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.