Home / 14,788.82-20,408.60-9,483.64

Finding the Fourth Proportional to 14,788.82, 20,408.60 and 9,483.64

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Solution

The fourth proportional to 14,788.82, 20,408.60 and 9,483.64 is: 13,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.82 : 20,408.60 = 9,483.64 : x
  2. Step 2: Convert to fraction form
    14,788.82/20,408.60 = 9,483.64/x
  3. Step 3: Cross multiply
    14,788.82x = 20,408.60 × 9,483.64
  4. Step 4: Simplify right side
    14,788.82x = 193,547,815.30
  5. Step 5: Solve for x
    x = 193,547,815.30/14,788.82
  6. Step 6: Final answer
    x = 13,087.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.