Home / 15,503.23-23,241.87-7,189.18

Finding the Fourth Proportional to 15,503.23, 23,241.87 and 7,189.18

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Solution

The fourth proportional to 15,503.23, 23,241.87 and 7,189.18 is: 10,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.23 : 23,241.87 = 7,189.18 : x
  2. Step 2: Convert to fraction form
    15,503.23/23,241.87 = 7,189.18/x
  3. Step 3: Cross multiply
    15,503.23x = 23,241.87 × 7,189.18
  4. Step 4: Simplify right side
    15,503.23x = 167,089,986.97
  5. Step 5: Solve for x
    x = 167,089,986.97/15,503.23
  6. Step 6: Final answer
    x = 10,777.75

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1.5x scale

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.