Home / 21,751.48-30,021.36-14,199.04

Finding the Fourth Proportional to 21,751.48, 30,021.36 and 14,199.04

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Solution

The fourth proportional to 21,751.48, 30,021.36 and 14,199.04 is: 19,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.48 : 30,021.36 = 14,199.04 : x
  2. Step 2: Convert to fraction form
    21,751.48/30,021.36 = 14,199.04/x
  3. Step 3: Cross multiply
    21,751.48x = 30,021.36 × 14,199.04
  4. Step 4: Simplify right side
    21,751.48x = 426,274,491.49
  5. Step 5: Solve for x
    x = 426,274,491.49/21,751.48
  6. Step 6: Final answer
    x = 19,597.49

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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.