Home / 13,052.60-19,584.30-4,290.20

Finding the Fourth Proportional to 13,052.60, 19,584.30 and 4,290.20

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Solution

The fourth proportional to 13,052.60, 19,584.30 and 4,290.20 is: 6,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.60 : 19,584.30 = 4,290.20 : x
  2. Step 2: Convert to fraction form
    13,052.60/19,584.30 = 4,290.20/x
  3. Step 3: Cross multiply
    13,052.60x = 19,584.30 × 4,290.20
  4. Step 4: Simplify right side
    13,052.60x = 84,020,563.86
  5. Step 5: Solve for x
    x = 84,020,563.86/13,052.60
  6. Step 6: Final answer
    x = 6,437.07

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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.