Home / 19,621.34-29,392.56-9,076.56

Finding the Fourth Proportional to 19,621.34, 29,392.56 and 9,076.56

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Solution

The fourth proportional to 19,621.34, 29,392.56 and 9,076.56 is: 13,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.34 : 29,392.56 = 9,076.56 : x
  2. Step 2: Convert to fraction form
    19,621.34/29,392.56 = 9,076.56/x
  3. Step 3: Cross multiply
    19,621.34x = 29,392.56 × 9,076.56
  4. Step 4: Simplify right side
    19,621.34x = 266,783,334.39
  5. Step 5: Solve for x
    x = 266,783,334.39/19,621.34
  6. Step 6: Final answer
    x = 13,596.59

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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.