Home / 19,099.65-28,639.07-6,618.64

Finding the Fourth Proportional to 19,099.65, 28,639.07 and 6,618.64

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Solution

The fourth proportional to 19,099.65, 28,639.07 and 6,618.64 is: 9,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.65 : 28,639.07 = 6,618.64 : x
  2. Step 2: Convert to fraction form
    19,099.65/28,639.07 = 6,618.64/x
  3. Step 3: Cross multiply
    19,099.65x = 28,639.07 × 6,618.64
  4. Step 4: Simplify right side
    19,099.65x = 189,551,587.54
  5. Step 5: Solve for x
    x = 189,551,587.54/19,099.65
  6. Step 6: Final answer
    x = 9,924.35

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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.