Home / 13,684.07-20,563.20-7,448.69

Finding the Fourth Proportional to 13,684.07, 20,563.20 and 7,448.69

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Solution

The fourth proportional to 13,684.07, 20,563.20 and 7,448.69 is: 11,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.07 : 20,563.20 = 7,448.69 : x
  2. Step 2: Convert to fraction form
    13,684.07/20,563.20 = 7,448.69/x
  3. Step 3: Cross multiply
    13,684.07x = 20,563.20 × 7,448.69
  4. Step 4: Simplify right side
    13,684.07x = 153,168,953.62
  5. Step 5: Solve for x
    x = 153,168,953.62/13,684.07
  6. Step 6: Final answer
    x = 11,193.23

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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.