Home / 26,530.56-39,795-9,000.54

Finding the Fourth Proportional to 26,530.56, 39,795 and 9,000.54

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Solution

The fourth proportional to 26,530.56, 39,795 and 9,000.54 is: 13,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.56 : 39,795 = 9,000.54 : x
  2. Step 2: Convert to fraction form
    26,530.56/39,795 = 9,000.54/x
  3. Step 3: Cross multiply
    26,530.56x = 39,795 × 9,000.54
  4. Step 4: Simplify right side
    26,530.56x = 358,176,489.30
  5. Step 5: Solve for x
    x = 358,176,489.30/26,530.56
  6. Step 6: Final answer
    x = 13,500.53

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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.