Home / 29,200.91-40,291.22-18,586.67

Finding the Fourth Proportional to 29,200.91, 40,291.22 and 18,586.67

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Solution

The fourth proportional to 29,200.91, 40,291.22 and 18,586.67 is: 25,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,200.91 : 40,291.22 = 18,586.67 : x
  2. Step 2: Convert to fraction form
    29,200.91/40,291.22 = 18,586.67/x
  3. Step 3: Cross multiply
    29,200.91x = 40,291.22 × 18,586.67
  4. Step 4: Simplify right side
    29,200.91x = 748,879,455.05
  5. Step 5: Solve for x
    x = 748,879,455.05/29,200.91
  6. Step 6: Final answer
    x = 25,645.76

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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.