Home / 13,759.48-20,651.37-7,525.18

Finding the Fourth Proportional to 13,759.48, 20,651.37 and 7,525.18

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Solution

The fourth proportional to 13,759.48, 20,651.37 and 7,525.18 is: 11,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.48 : 20,651.37 = 7,525.18 : x
  2. Step 2: Convert to fraction form
    13,759.48/20,651.37 = 7,525.18/x
  3. Step 3: Cross multiply
    13,759.48x = 20,651.37 × 7,525.18
  4. Step 4: Simplify right side
    13,759.48x = 155,405,276.50
  5. Step 5: Solve for x
    x = 155,405,276.50/13,759.48
  6. Step 6: Final answer
    x = 11,294.41

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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.