Home / 20,061.81-30,082.59-11,744.46

Finding the Fourth Proportional to 20,061.81, 30,082.59 and 11,744.46

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Solution

The fourth proportional to 20,061.81, 30,082.59 and 11,744.46 is: 17,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.81 : 30,082.59 = 11,744.46 : x
  2. Step 2: Convert to fraction form
    20,061.81/30,082.59 = 11,744.46/x
  3. Step 3: Cross multiply
    20,061.81x = 30,082.59 × 11,744.46
  4. Step 4: Simplify right side
    20,061.81x = 353,303,774.95
  5. Step 5: Solve for x
    x = 353,303,774.95/20,061.81
  6. Step 6: Final answer
    x = 17,610.76

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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.