Home / 22,738.22-31,378.79-14,793.94

Finding the Fourth Proportional to 22,738.22, 31,378.79 and 14,793.94

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Solution

The fourth proportional to 22,738.22, 31,378.79 and 14,793.94 is: 20,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.22 : 31,378.79 = 14,793.94 : x
  2. Step 2: Convert to fraction form
    22,738.22/31,378.79 = 14,793.94/x
  3. Step 3: Cross multiply
    22,738.22x = 31,378.79 × 14,793.94
  4. Step 4: Simplify right side
    22,738.22x = 464,216,012.74
  5. Step 5: Solve for x
    x = 464,216,012.74/22,738.22
  6. Step 6: Final answer
    x = 20,415.67

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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.