Home / 20,529.24-30,795.93-7,386.72

Finding the Fourth Proportional to 20,529.24, 30,795.93 and 7,386.72

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Solution

The fourth proportional to 20,529.24, 30,795.93 and 7,386.72 is: 11,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.24 : 30,795.93 = 7,386.72 : x
  2. Step 2: Convert to fraction form
    20,529.24/30,795.93 = 7,386.72/x
  3. Step 3: Cross multiply
    20,529.24x = 30,795.93 × 7,386.72
  4. Step 4: Simplify right side
    20,529.24x = 227,480,912.05
  5. Step 5: Solve for x
    x = 227,480,912.05/20,529.24
  6. Step 6: Final answer
    x = 11,080.82

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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.