Home / 12,423.61-18,637.26-4,104.50

Finding the Fourth Proportional to 12,423.61, 18,637.26 and 4,104.50

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Solution

The fourth proportional to 12,423.61, 18,637.26 and 4,104.50 is: 6,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.61 : 18,637.26 = 4,104.50 : x
  2. Step 2: Convert to fraction form
    12,423.61/18,637.26 = 4,104.50/x
  3. Step 3: Cross multiply
    12,423.61x = 18,637.26 × 4,104.50
  4. Step 4: Simplify right side
    12,423.61x = 76,496,633.67
  5. Step 5: Solve for x
    x = 76,496,633.67/12,423.61
  6. Step 6: Final answer
    x = 6,157.36

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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.