Home / 17,945.72-26,918.58-8,583.53

Finding the Fourth Proportional to 17,945.72, 26,918.58 and 8,583.53

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Solution

The fourth proportional to 17,945.72, 26,918.58 and 8,583.53 is: 12,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.72 : 26,918.58 = 8,583.53 : x
  2. Step 2: Convert to fraction form
    17,945.72/26,918.58 = 8,583.53/x
  3. Step 3: Cross multiply
    17,945.72x = 26,918.58 × 8,583.53
  4. Step 4: Simplify right side
    17,945.72x = 231,056,438.99
  5. Step 5: Solve for x
    x = 231,056,438.99/17,945.72
  6. Step 6: Final answer
    x = 12,875.30

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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.