Home / 14,590.88-20,135.49-8,303.25

Finding the Fourth Proportional to 14,590.88, 20,135.49 and 8,303.25

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Solution

The fourth proportional to 14,590.88, 20,135.49 and 8,303.25 is: 11,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.88 : 20,135.49 = 8,303.25 : x
  2. Step 2: Convert to fraction form
    14,590.88/20,135.49 = 8,303.25/x
  3. Step 3: Cross multiply
    14,590.88x = 20,135.49 × 8,303.25
  4. Step 4: Simplify right side
    14,590.88x = 167,190,121.77
  5. Step 5: Solve for x
    x = 167,190,121.77/14,590.88
  6. Step 6: Final answer
    x = 11,458.54

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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.