Home / 29,128.64-40,182.33-18,367.67

Finding the Fourth Proportional to 29,128.64, 40,182.33 and 18,367.67

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Solution

The fourth proportional to 29,128.64, 40,182.33 and 18,367.67 is: 25,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.64 : 40,182.33 = 18,367.67 : x
  2. Step 2: Convert to fraction form
    29,128.64/40,182.33 = 18,367.67/x
  3. Step 3: Cross multiply
    29,128.64x = 40,182.33 × 18,367.67
  4. Step 4: Simplify right side
    29,128.64x = 738,055,777.27
  5. Step 5: Solve for x
    x = 738,055,777.27/29,128.64
  6. Step 6: Final answer
    x = 25,337.80

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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.