Home / 19,055.54-28,586.40-6,578.72

Finding the Fourth Proportional to 19,055.54, 28,586.40 and 6,578.72

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Solution

The fourth proportional to 19,055.54, 28,586.40 and 6,578.72 is: 9,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.54 : 28,586.40 = 6,578.72 : x
  2. Step 2: Convert to fraction form
    19,055.54/28,586.40 = 6,578.72/x
  3. Step 3: Cross multiply
    19,055.54x = 28,586.40 × 6,578.72
  4. Step 4: Simplify right side
    19,055.54x = 188,061,921.41
  5. Step 5: Solve for x
    x = 188,061,921.41/19,055.54
  6. Step 6: Final answer
    x = 9,869.15

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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.