Home / 20,057.49-30,084.98-5,266.08

Finding the Fourth Proportional to 20,057.49, 30,084.98 and 5,266.08

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Solution

The fourth proportional to 20,057.49, 30,084.98 and 5,266.08 is: 7,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.49 : 30,084.98 = 5,266.08 : x
  2. Step 2: Convert to fraction form
    20,057.49/30,084.98 = 5,266.08/x
  3. Step 3: Cross multiply
    20,057.49x = 30,084.98 × 5,266.08
  4. Step 4: Simplify right side
    20,057.49x = 158,429,885.15
  5. Step 5: Solve for x
    x = 158,429,885.15/20,057.49
  6. Step 6: Final answer
    x = 7,898.79

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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.