Home / 15,223.08-20,968.78-10,738.96

Finding the Fourth Proportional to 15,223.08, 20,968.78 and 10,738.96

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Solution

The fourth proportional to 15,223.08, 20,968.78 and 10,738.96 is: 14,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.08 : 20,968.78 = 10,738.96 : x
  2. Step 2: Convert to fraction form
    15,223.08/20,968.78 = 10,738.96/x
  3. Step 3: Cross multiply
    15,223.08x = 20,968.78 × 10,738.96
  4. Step 4: Simplify right side
    15,223.08x = 225,182,889.67
  5. Step 5: Solve for x
    x = 225,182,889.67/15,223.08
  6. Step 6: Final answer
    x = 14,792.20

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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.