Home / 14,043.34-19,379.84-7,755.72

Finding the Fourth Proportional to 14,043.34, 19,379.84 and 7,755.72

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Solution

The fourth proportional to 14,043.34, 19,379.84 and 7,755.72 is: 10,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.34 : 19,379.84 = 7,755.72 : x
  2. Step 2: Convert to fraction form
    14,043.34/19,379.84 = 7,755.72/x
  3. Step 3: Cross multiply
    14,043.34x = 19,379.84 × 7,755.72
  4. Step 4: Simplify right side
    14,043.34x = 150,304,612.68
  5. Step 5: Solve for x
    x = 150,304,612.68/14,043.34
  6. Step 6: Final answer
    x = 10,702.91

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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.