Home / 19,071.07-28,599.58-6,587.89

Finding the Fourth Proportional to 19,071.07, 28,599.58 and 6,587.89

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Solution

The fourth proportional to 19,071.07, 28,599.58 and 6,587.89 is: 9,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.07 : 28,599.58 = 6,587.89 : x
  2. Step 2: Convert to fraction form
    19,071.07/28,599.58 = 6,587.89/x
  3. Step 3: Cross multiply
    19,071.07x = 28,599.58 × 6,587.89
  4. Step 4: Simplify right side
    19,071.07x = 188,410,711.15
  5. Step 5: Solve for x
    x = 188,410,711.15/19,071.07
  6. Step 6: Final answer
    x = 9,879.40

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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.