Home / 13,550.07-20,326.23-3,554.79

Finding the Fourth Proportional to 13,550.07, 20,326.23 and 3,554.79

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Solution

The fourth proportional to 13,550.07, 20,326.23 and 3,554.79 is: 5,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.07 : 20,326.23 = 3,554.79 : x
  2. Step 2: Convert to fraction form
    13,550.07/20,326.23 = 3,554.79/x
  3. Step 3: Cross multiply
    13,550.07x = 20,326.23 × 3,554.79
  4. Step 4: Simplify right side
    13,550.07x = 72,255,479.14
  5. Step 5: Solve for x
    x = 72,255,479.14/13,550.07
  6. Step 6: Final answer
    x = 5,332.48

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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.