Home / 15,403.54-23,100.69-8,003.96

Finding the Fourth Proportional to 15,403.54, 23,100.69 and 8,003.96

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Solution

The fourth proportional to 15,403.54, 23,100.69 and 8,003.96 is: 12,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.54 : 23,100.69 = 8,003.96 : x
  2. Step 2: Convert to fraction form
    15,403.54/23,100.69 = 8,003.96/x
  3. Step 3: Cross multiply
    15,403.54x = 23,100.69 × 8,003.96
  4. Step 4: Simplify right side
    15,403.54x = 184,897,129.81
  5. Step 5: Solve for x
    x = 184,897,129.81/15,403.54
  6. Step 6: Final answer
    x = 12,003.55

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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.