Home / 27,770.56-38,283.52-19,798.94

Finding the Fourth Proportional to 27,770.56, 38,283.52 and 19,798.94

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Solution

The fourth proportional to 27,770.56, 38,283.52 and 19,798.94 is: 27,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.56 : 38,283.52 = 19,798.94 : x
  2. Step 2: Convert to fraction form
    27,770.56/38,283.52 = 19,798.94/x
  3. Step 3: Cross multiply
    27,770.56x = 38,283.52 × 19,798.94
  4. Step 4: Simplify right side
    27,770.56x = 757,973,115.47
  5. Step 5: Solve for x
    x = 757,973,115.47/27,770.56
  6. Step 6: Final answer
    x = 27,294.12

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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.