Home / 13,205.60-19,810.32-4,443.02

Finding the Fourth Proportional to 13,205.60, 19,810.32 and 4,443.02

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Solution

The fourth proportional to 13,205.60, 19,810.32 and 4,443.02 is: 6,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.60 : 19,810.32 = 4,443.02 : x
  2. Step 2: Convert to fraction form
    13,205.60/19,810.32 = 4,443.02/x
  3. Step 3: Cross multiply
    13,205.60x = 19,810.32 × 4,443.02
  4. Step 4: Simplify right side
    13,205.60x = 88,017,647.97
  5. Step 5: Solve for x
    x = 88,017,647.97/13,205.60
  6. Step 6: Final answer
    x = 6,665.18

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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.