Home / 15,792.57-21,789.78-10,697.46

Finding the Fourth Proportional to 15,792.57, 21,789.78 and 10,697.46

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Solution

The fourth proportional to 15,792.57, 21,789.78 and 10,697.46 is: 14,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.57 : 21,789.78 = 10,697.46 : x
  2. Step 2: Convert to fraction form
    15,792.57/21,789.78 = 10,697.46/x
  3. Step 3: Cross multiply
    15,792.57x = 21,789.78 × 10,697.46
  4. Step 4: Simplify right side
    15,792.57x = 233,095,299.96
  5. Step 5: Solve for x
    x = 233,095,299.96/15,792.57
  6. Step 6: Final answer
    x = 14,759.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.