Home / 19,028.79-28,511.73-6,542.10

Finding the Fourth Proportional to 19,028.79, 28,511.73 and 6,542.10

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Solution

The fourth proportional to 19,028.79, 28,511.73 and 6,542.10 is: 9,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.79 : 28,511.73 = 6,542.10 : x
  2. Step 2: Convert to fraction form
    19,028.79/28,511.73 = 6,542.10/x
  3. Step 3: Cross multiply
    19,028.79x = 28,511.73 × 6,542.10
  4. Step 4: Simplify right side
    19,028.79x = 186,526,588.83
  5. Step 5: Solve for x
    x = 186,526,588.83/19,028.79
  6. Step 6: Final answer
    x = 9,802.34

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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.