Home / 14,913.78-20,550.69-11,536.08

Finding the Fourth Proportional to 14,913.78, 20,550.69 and 11,536.08

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Solution

The fourth proportional to 14,913.78, 20,550.69 and 11,536.08 is: 15,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.78 : 20,550.69 = 11,536.08 : x
  2. Step 2: Convert to fraction form
    14,913.78/20,550.69 = 11,536.08/x
  3. Step 3: Cross multiply
    14,913.78x = 20,550.69 × 11,536.08
  4. Step 4: Simplify right side
    14,913.78x = 237,074,403.90
  5. Step 5: Solve for x
    x = 237,074,403.90/14,913.78
  6. Step 6: Final answer
    x = 15,896.33

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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.