Home / 13,035.26-19,555.61-5,640.77

Finding the Fourth Proportional to 13,035.26, 19,555.61 and 5,640.77

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Solution

The fourth proportional to 13,035.26, 19,555.61 and 5,640.77 is: 8,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.26 : 19,555.61 = 5,640.77 : x
  2. Step 2: Convert to fraction form
    13,035.26/19,555.61 = 5,640.77/x
  3. Step 3: Cross multiply
    13,035.26x = 19,555.61 × 5,640.77
  4. Step 4: Simplify right side
    13,035.26x = 110,308,718.90
  5. Step 5: Solve for x
    x = 110,308,718.90/13,035.26
  6. Step 6: Final answer
    x = 8,462.33

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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.