Home / 26,868.18-40,286.64-19,756.67

Finding the Fourth Proportional to 26,868.18, 40,286.64 and 19,756.67

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Solution

The fourth proportional to 26,868.18, 40,286.64 and 19,756.67 is: 29,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.18 : 40,286.64 = 19,756.67 : x
  2. Step 2: Convert to fraction form
    26,868.18/40,286.64 = 19,756.67/x
  3. Step 3: Cross multiply
    26,868.18x = 40,286.64 × 19,756.67
  4. Step 4: Simplify right side
    26,868.18x = 795,929,851.89
  5. Step 5: Solve for x
    x = 795,929,851.89/26,868.18
  6. Step 6: Final answer
    x = 29,623.51

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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.