Home / 26,555.94-39,858.54-13,417.54

Finding the Fourth Proportional to 26,555.94, 39,858.54 and 13,417.54

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Solution

The fourth proportional to 26,555.94, 39,858.54 and 13,417.54 is: 20,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.94 : 39,858.54 = 13,417.54 : x
  2. Step 2: Convert to fraction form
    26,555.94/39,858.54 = 13,417.54/x
  3. Step 3: Cross multiply
    26,555.94x = 39,858.54 × 13,417.54
  4. Step 4: Simplify right side
    26,555.94x = 534,803,455.15
  5. Step 5: Solve for x
    x = 534,803,455.15/26,555.94
  6. Step 6: Final answer
    x = 20,138.75

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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.