Home / 19,098.40-28,647.97-6,618.84

Finding the Fourth Proportional to 19,098.40, 28,647.97 and 6,618.84

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Solution

The fourth proportional to 19,098.40, 28,647.97 and 6,618.84 is: 9,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.40 : 28,647.97 = 6,618.84 : x
  2. Step 2: Convert to fraction form
    19,098.40/28,647.97 = 6,618.84/x
  3. Step 3: Cross multiply
    19,098.40x = 28,647.97 × 6,618.84
  4. Step 4: Simplify right side
    19,098.40x = 189,616,186.51
  5. Step 5: Solve for x
    x = 189,616,186.51/19,098.40
  6. Step 6: Final answer
    x = 9,928.38

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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.