Home / 29,126.51-40,194.20-16,381.80

Finding the Fourth Proportional to 29,126.51, 40,194.20 and 16,381.80

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Solution

The fourth proportional to 29,126.51, 40,194.20 and 16,381.80 is: 22,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.51 : 40,194.20 = 16,381.80 : x
  2. Step 2: Convert to fraction form
    29,126.51/40,194.20 = 16,381.80/x
  3. Step 3: Cross multiply
    29,126.51x = 40,194.20 × 16,381.80
  4. Step 4: Simplify right side
    29,126.51x = 658,453,263.65
  5. Step 5: Solve for x
    x = 658,453,263.65/29,126.51
  6. Step 6: Final answer
    x = 22,606.67

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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.