Home / 13,735.13-20,590.47-4,968.09

Finding the Fourth Proportional to 13,735.13, 20,590.47 and 4,968.09

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Solution

The fourth proportional to 13,735.13, 20,590.47 and 4,968.09 is: 7,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.13 : 20,590.47 = 4,968.09 : x
  2. Step 2: Convert to fraction form
    13,735.13/20,590.47 = 4,968.09/x
  3. Step 3: Cross multiply
    13,735.13x = 20,590.47 × 4,968.09
  4. Step 4: Simplify right side
    13,735.13x = 102,295,308.10
  5. Step 5: Solve for x
    x = 102,295,308.10/13,735.13
  6. Step 6: Final answer
    x = 7,447.72

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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.