Home / 19,857.44-29,786.80-9,470.24

Finding the Fourth Proportional to 19,857.44, 29,786.80 and 9,470.24

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Solution

The fourth proportional to 19,857.44, 29,786.80 and 9,470.24 is: 14,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.44 : 29,786.80 = 9,470.24 : x
  2. Step 2: Convert to fraction form
    19,857.44/29,786.80 = 9,470.24/x
  3. Step 3: Cross multiply
    19,857.44x = 29,786.80 × 9,470.24
  4. Step 4: Simplify right side
    19,857.44x = 282,088,144.83
  5. Step 5: Solve for x
    x = 282,088,144.83/19,857.44
  6. Step 6: Final answer
    x = 14,205.67

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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.