Home / 15,581.88-23,353.38-7,792.92

Finding the Fourth Proportional to 15,581.88, 23,353.38 and 7,792.92

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Solution

The fourth proportional to 15,581.88, 23,353.38 and 7,792.92 is: 11,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.88 : 23,353.38 = 7,792.92 : x
  2. Step 2: Convert to fraction form
    15,581.88/23,353.38 = 7,792.92/x
  3. Step 3: Cross multiply
    15,581.88x = 23,353.38 × 7,792.92
  4. Step 4: Simplify right side
    15,581.88x = 181,991,022.07
  5. Step 5: Solve for x
    x = 181,991,022.07/15,581.88
  6. Step 6: Final answer
    x = 11,679.66

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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.