Home / 15,805.96-23,708.94-4,720.43

Finding the Fourth Proportional to 15,805.96, 23,708.94 and 4,720.43

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Solution

The fourth proportional to 15,805.96, 23,708.94 and 4,720.43 is: 7,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.96 : 23,708.94 = 4,720.43 : x
  2. Step 2: Convert to fraction form
    15,805.96/23,708.94 = 4,720.43/x
  3. Step 3: Cross multiply
    15,805.96x = 23,708.94 × 4,720.43
  4. Step 4: Simplify right side
    15,805.96x = 111,916,450.92
  5. Step 5: Solve for x
    x = 111,916,450.92/15,805.96
  6. Step 6: Final answer
    x = 7,080.65

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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.