Home / 14,647.10-21,974.62-4,785.08

Finding the Fourth Proportional to 14,647.10, 21,974.62 and 4,785.08

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Solution

The fourth proportional to 14,647.10, 21,974.62 and 4,785.08 is: 7,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.10 : 21,974.62 = 4,785.08 : x
  2. Step 2: Convert to fraction form
    14,647.10/21,974.62 = 4,785.08/x
  3. Step 3: Cross multiply
    14,647.10x = 21,974.62 × 4,785.08
  4. Step 4: Simplify right side
    14,647.10x = 105,150,314.67
  5. Step 5: Solve for x
    x = 105,150,314.67/14,647.10
  6. Step 6: Final answer
    x = 7,178.92

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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.