Home / 15,788.36-23,682.60-9,930.44

Finding the Fourth Proportional to 15,788.36, 23,682.60 and 9,930.44

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Solution

The fourth proportional to 15,788.36, 23,682.60 and 9,930.44 is: 14,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.36 : 23,682.60 = 9,930.44 : x
  2. Step 2: Convert to fraction form
    15,788.36/23,682.60 = 9,930.44/x
  3. Step 3: Cross multiply
    15,788.36x = 23,682.60 × 9,930.44
  4. Step 4: Simplify right side
    15,788.36x = 235,178,638.34
  5. Step 5: Solve for x
    x = 235,178,638.34/15,788.36
  6. Step 6: Final answer
    x = 14,895.70

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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.