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Finding the Fourth Proportional to 19,329.98, 26,673.97 and 10,830.90

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Solution

The fourth proportional to 19,329.98, 26,673.97 and 10,830.90 is: 14,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.98 : 26,673.97 = 10,830.90 : x
  2. Step 2: Convert to fraction form
    19,329.98/26,673.97 = 10,830.90/x
  3. Step 3: Cross multiply
    19,329.98x = 26,673.97 × 10,830.90
  4. Step 4: Simplify right side
    19,329.98x = 288,903,101.67
  5. Step 5: Solve for x
    x = 288,903,101.67/19,329.98
  6. Step 6: Final answer
    x = 14,945.86

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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.