Home / 14,193.72-19,568.25-9,939.06

Finding the Fourth Proportional to 14,193.72, 19,568.25 and 9,939.06

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Solution

The fourth proportional to 14,193.72, 19,568.25 and 9,939.06 is: 13,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.72 : 19,568.25 = 9,939.06 : x
  2. Step 2: Convert to fraction form
    14,193.72/19,568.25 = 9,939.06/x
  3. Step 3: Cross multiply
    14,193.72x = 19,568.25 × 9,939.06
  4. Step 4: Simplify right side
    14,193.72x = 194,490,010.85
  5. Step 5: Solve for x
    x = 194,490,010.85/14,193.72
  6. Step 6: Final answer
    x = 13,702.54

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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.