Home / 19,023.78-28,535.67-6,544.11

Finding the Fourth Proportional to 19,023.78, 28,535.67 and 6,544.11

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Solution

The fourth proportional to 19,023.78, 28,535.67 and 6,544.11 is: 9,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.78 : 28,535.67 = 6,544.11 : x
  2. Step 2: Convert to fraction form
    19,023.78/28,535.67 = 6,544.11/x
  3. Step 3: Cross multiply
    19,023.78x = 28,535.67 × 6,544.11
  4. Step 4: Simplify right side
    19,023.78x = 186,740,563.40
  5. Step 5: Solve for x
    x = 186,740,563.40/19,023.78
  6. Step 6: Final answer
    x = 9,816.17

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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.