Home / 25,899.80-38,840.18-9,255.33

Finding the Fourth Proportional to 25,899.80, 38,840.18 and 9,255.33

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Solution

The fourth proportional to 25,899.80, 38,840.18 and 9,255.33 is: 13,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.80 : 38,840.18 = 9,255.33 : x
  2. Step 2: Convert to fraction form
    25,899.80/38,840.18 = 9,255.33/x
  3. Step 3: Cross multiply
    25,899.80x = 38,840.18 × 9,255.33
  4. Step 4: Simplify right side
    25,899.80x = 359,478,636.88
  5. Step 5: Solve for x
    x = 359,478,636.88/25,899.80
  6. Step 6: Final answer
    x = 13,879.59

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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.