Home / 15,581.96-23,372.15-5,720.48

Finding the Fourth Proportional to 15,581.96, 23,372.15 and 5,720.48

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Solution

The fourth proportional to 15,581.96, 23,372.15 and 5,720.48 is: 8,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.96 : 23,372.15 = 5,720.48 : x
  2. Step 2: Convert to fraction form
    15,581.96/23,372.15 = 5,720.48/x
  3. Step 3: Cross multiply
    15,581.96x = 23,372.15 × 5,720.48
  4. Step 4: Simplify right side
    15,581.96x = 133,699,888.03
  5. Step 5: Solve for x
    x = 133,699,888.03/15,581.96
  6. Step 6: Final answer
    x = 8,580.43

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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.