Home / 19,197.14-28,803.94-10,438.34

Finding the Fourth Proportional to 19,197.14, 28,803.94 and 10,438.34

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Solution

The fourth proportional to 19,197.14, 28,803.94 and 10,438.34 is: 15,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.14 : 28,803.94 = 10,438.34 : x
  2. Step 2: Convert to fraction form
    19,197.14/28,803.94 = 10,438.34/x
  3. Step 3: Cross multiply
    19,197.14x = 28,803.94 × 10,438.34
  4. Step 4: Simplify right side
    19,197.14x = 300,665,319.06
  5. Step 5: Solve for x
    x = 300,665,319.06/19,197.14
  6. Step 6: Final answer
    x = 15,661.99

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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.