Home / 13,588.86-20,381.22-4,822.50

Finding the Fourth Proportional to 13,588.86, 20,381.22 and 4,822.50

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Solution

The fourth proportional to 13,588.86, 20,381.22 and 4,822.50 is: 7,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.86 : 20,381.22 = 4,822.50 : x
  2. Step 2: Convert to fraction form
    13,588.86/20,381.22 = 4,822.50/x
  3. Step 3: Cross multiply
    13,588.86x = 20,381.22 × 4,822.50
  4. Step 4: Simplify right side
    13,588.86x = 98,288,433.45
  5. Step 5: Solve for x
    x = 98,288,433.45/13,588.86
  6. Step 6: Final answer
    x = 7,233.02

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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.