Home / 30,255.32-41,751.75-16,826.28

Finding the Fourth Proportional to 30,255.32, 41,751.75 and 16,826.28

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Solution

The fourth proportional to 30,255.32, 41,751.75 and 16,826.28 is: 23,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.32 : 41,751.75 = 16,826.28 : x
  2. Step 2: Convert to fraction form
    30,255.32/41,751.75 = 16,826.28/x
  3. Step 3: Cross multiply
    30,255.32x = 41,751.75 × 16,826.28
  4. Step 4: Simplify right side
    30,255.32x = 702,526,656.24
  5. Step 5: Solve for x
    x = 702,526,656.24/30,255.32
  6. Step 6: Final answer
    x = 23,219.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.