Home / 14,421.21-21,631.67-4,560.49

Finding the Fourth Proportional to 14,421.21, 21,631.67 and 4,560.49

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Solution

The fourth proportional to 14,421.21, 21,631.67 and 4,560.49 is: 6,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.21 : 21,631.67 = 4,560.49 : x
  2. Step 2: Convert to fraction form
    14,421.21/21,631.67 = 4,560.49/x
  3. Step 3: Cross multiply
    14,421.21x = 21,631.67 × 4,560.49
  4. Step 4: Simplify right side
    14,421.21x = 98,651,014.72
  5. Step 5: Solve for x
    x = 98,651,014.72/14,421.21
  6. Step 6: Final answer
    x = 6,840.69

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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.