Home / 20,065.82-30,088.58-11,748.46

Finding the Fourth Proportional to 20,065.82, 30,088.58 and 11,748.46

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Solution

The fourth proportional to 20,065.82, 30,088.58 and 11,748.46 is: 17,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.82 : 30,088.58 = 11,748.46 : x
  2. Step 2: Convert to fraction form
    20,065.82/30,088.58 = 11,748.46/x
  3. Step 3: Cross multiply
    20,065.82x = 30,088.58 × 11,748.46
  4. Step 4: Simplify right side
    20,065.82x = 353,494,478.59
  5. Step 5: Solve for x
    x = 353,494,478.59/20,065.82
  6. Step 6: Final answer
    x = 17,616.75

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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.