Home / 29,528.19-40,738.68-18,923.67

Finding the Fourth Proportional to 29,528.19, 40,738.68 and 18,923.67

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Solution

The fourth proportional to 29,528.19, 40,738.68 and 18,923.67 is: 26,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,528.19 : 40,738.68 = 18,923.67 : x
  2. Step 2: Convert to fraction form
    29,528.19/40,738.68 = 18,923.67/x
  3. Step 3: Cross multiply
    29,528.19x = 40,738.68 × 18,923.67
  4. Step 4: Simplify right side
    29,528.19x = 770,925,336.56
  5. Step 5: Solve for x
    x = 770,925,336.56/29,528.19
  6. Step 6: Final answer
    x = 26,108.11

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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.