Home / 13,955.99-19,259.26-7,668.37

Finding the Fourth Proportional to 13,955.99, 19,259.26 and 7,668.37

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Solution

The fourth proportional to 13,955.99, 19,259.26 and 7,668.37 is: 10,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.99 : 19,259.26 = 7,668.37 : x
  2. Step 2: Convert to fraction form
    13,955.99/19,259.26 = 7,668.37/x
  3. Step 3: Cross multiply
    13,955.99x = 19,259.26 × 7,668.37
  4. Step 4: Simplify right side
    13,955.99x = 147,686,996.97
  5. Step 5: Solve for x
    x = 147,686,996.97/13,955.99
  6. Step 6: Final answer
    x = 10,582.34

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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.