Home / 14,784.37-22,168.92-5,421.99

Finding the Fourth Proportional to 14,784.37, 22,168.92 and 5,421.99

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Solution

The fourth proportional to 14,784.37, 22,168.92 and 5,421.99 is: 8,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.37 : 22,168.92 = 5,421.99 : x
  2. Step 2: Convert to fraction form
    14,784.37/22,168.92 = 5,421.99/x
  3. Step 3: Cross multiply
    14,784.37x = 22,168.92 × 5,421.99
  4. Step 4: Simplify right side
    14,784.37x = 120,199,662.55
  5. Step 5: Solve for x
    x = 120,199,662.55/14,784.37
  6. Step 6: Final answer
    x = 8,130.18

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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.