Home / 19,299.07-28,949.19-6,648.67

Finding the Fourth Proportional to 19,299.07, 28,949.19 and 6,648.67

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Solution

The fourth proportional to 19,299.07, 28,949.19 and 6,648.67 is: 9,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.07 : 28,949.19 = 6,648.67 : x
  2. Step 2: Convert to fraction form
    19,299.07/28,949.19 = 6,648.67/x
  3. Step 3: Cross multiply
    19,299.07x = 28,949.19 × 6,648.67
  4. Step 4: Simplify right side
    19,299.07x = 192,473,611.08
  5. Step 5: Solve for x
    x = 192,473,611.08/19,299.07
  6. Step 6: Final answer
    x = 9,973.21

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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.