Home / 19,069.40-28,603.79-5,921.78

Finding the Fourth Proportional to 19,069.40, 28,603.79 and 5,921.78

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Solution

The fourth proportional to 19,069.40, 28,603.79 and 5,921.78 is: 8,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.40 : 28,603.79 = 5,921.78 : x
  2. Step 2: Convert to fraction form
    19,069.40/28,603.79 = 5,921.78/x
  3. Step 3: Cross multiply
    19,069.40x = 28,603.79 × 5,921.78
  4. Step 4: Simplify right side
    19,069.40x = 169,385,351.55
  5. Step 5: Solve for x
    x = 169,385,351.55/19,069.40
  6. Step 6: Final answer
    x = 8,882.57

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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.