Home / 19,610.10-29,415.15-9,768.60

Finding the Fourth Proportional to 19,610.10, 29,415.15 and 9,768.60

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Solution

The fourth proportional to 19,610.10, 29,415.15 and 9,768.60 is: 14,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.10 : 29,415.15 = 9,768.60 : x
  2. Step 2: Convert to fraction form
    19,610.10/29,415.15 = 9,768.60/x
  3. Step 3: Cross multiply
    19,610.10x = 29,415.15 × 9,768.60
  4. Step 4: Simplify right side
    19,610.10x = 287,344,834.29
  5. Step 5: Solve for x
    x = 287,344,834.29/19,610.10
  6. Step 6: Final answer
    x = 14,652.90

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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.