Home / 12,543.96-18,823.39-4,652.03

Finding the Fourth Proportional to 12,543.96, 18,823.39 and 4,652.03

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Solution

The fourth proportional to 12,543.96, 18,823.39 and 4,652.03 is: 6,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.96 : 18,823.39 = 4,652.03 : x
  2. Step 2: Convert to fraction form
    12,543.96/18,823.39 = 4,652.03/x
  3. Step 3: Cross multiply
    12,543.96x = 18,823.39 × 4,652.03
  4. Step 4: Simplify right side
    12,543.96x = 87,567,010.41
  5. Step 5: Solve for x
    x = 87,567,010.41/12,543.96
  6. Step 6: Final answer
    x = 6,980.81

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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.