Home / 29,121.46-40,186.74-16,374.76

Finding the Fourth Proportional to 29,121.46, 40,186.74 and 16,374.76

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Solution

The fourth proportional to 29,121.46, 40,186.74 and 16,374.76 is: 22,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.46 : 40,186.74 = 16,374.76 : x
  2. Step 2: Convert to fraction form
    29,121.46/40,186.74 = 16,374.76/x
  3. Step 3: Cross multiply
    29,121.46x = 40,186.74 × 16,374.76
  4. Step 4: Simplify right side
    29,121.46x = 658,048,222.68
  5. Step 5: Solve for x
    x = 658,048,222.68/29,121.46
  6. Step 6: Final answer
    x = 22,596.68

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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.