Home / 21,798.48-30,082.68-17,074.56

Finding the Fourth Proportional to 21,798.48, 30,082.68 and 17,074.56

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Solution

The fourth proportional to 21,798.48, 30,082.68 and 17,074.56 is: 23,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.48 : 30,082.68 = 17,074.56 : x
  2. Step 2: Convert to fraction form
    21,798.48/30,082.68 = 17,074.56/x
  3. Step 3: Cross multiply
    21,798.48x = 30,082.68 × 17,074.56
  4. Step 4: Simplify right side
    21,798.48x = 513,648,524.62
  5. Step 5: Solve for x
    x = 513,648,524.62/21,798.48
  6. Step 6: Final answer
    x = 23,563.50

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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.