Home / 26,530.40-39,760.44-19,477.45

Finding the Fourth Proportional to 26,530.40, 39,760.44 and 19,477.45

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Solution

The fourth proportional to 26,530.40, 39,760.44 and 19,477.45 is: 29,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.40 : 39,760.44 = 19,477.45 : x
  2. Step 2: Convert to fraction form
    26,530.40/39,760.44 = 19,477.45/x
  3. Step 3: Cross multiply
    26,530.40x = 39,760.44 × 19,477.45
  4. Step 4: Simplify right side
    26,530.40x = 774,431,735.09
  5. Step 5: Solve for x
    x = 774,431,735.09/26,530.40
  6. Step 6: Final answer
    x = 29,190.35

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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.