Home / 14,945.99-20,627.46-9,656.20

Finding the Fourth Proportional to 14,945.99, 20,627.46 and 9,656.20

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Solution

The fourth proportional to 14,945.99, 20,627.46 and 9,656.20 is: 13,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.99 : 20,627.46 = 9,656.20 : x
  2. Step 2: Convert to fraction form
    14,945.99/20,627.46 = 9,656.20/x
  3. Step 3: Cross multiply
    14,945.99x = 20,627.46 × 9,656.20
  4. Step 4: Simplify right side
    14,945.99x = 199,182,879.25
  5. Step 5: Solve for x
    x = 199,182,879.25/14,945.99
  6. Step 6: Final answer
    x = 13,326.84

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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.