Home / 15,755.24-23,615.66-7,755.51

Finding the Fourth Proportional to 15,755.24, 23,615.66 and 7,755.51

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Solution

The fourth proportional to 15,755.24, 23,615.66 and 7,755.51 is: 11,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.24 : 23,615.66 = 7,755.51 : x
  2. Step 2: Convert to fraction form
    15,755.24/23,615.66 = 7,755.51/x
  3. Step 3: Cross multiply
    15,755.24x = 23,615.66 × 7,755.51
  4. Step 4: Simplify right side
    15,755.24x = 183,151,452.92
  5. Step 5: Solve for x
    x = 183,151,452.92/15,755.24
  6. Step 6: Final answer
    x = 11,624.80

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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.