Home / 19,770.08-27,283.39-10,817.59

Finding the Fourth Proportional to 19,770.08, 27,283.39 and 10,817.59

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Solution

The fourth proportional to 19,770.08, 27,283.39 and 10,817.59 is: 14,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.08 : 27,283.39 = 10,817.59 : x
  2. Step 2: Convert to fraction form
    19,770.08/27,283.39 = 10,817.59/x
  3. Step 3: Cross multiply
    19,770.08x = 27,283.39 × 10,817.59
  4. Step 4: Simplify right side
    19,770.08x = 295,140,390.41
  5. Step 5: Solve for x
    x = 295,140,390.41/19,770.08
  6. Step 6: Final answer
    x = 14,928.64

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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.