Home / 13,927.88-19,223.70-8,951.24

Finding the Fourth Proportional to 13,927.88, 19,223.70 and 8,951.24

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Solution

The fourth proportional to 13,927.88, 19,223.70 and 8,951.24 is: 12,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.88 : 19,223.70 = 8,951.24 : x
  2. Step 2: Convert to fraction form
    13,927.88/19,223.70 = 8,951.24/x
  3. Step 3: Cross multiply
    13,927.88x = 19,223.70 × 8,951.24
  4. Step 4: Simplify right side
    13,927.88x = 172,075,952.39
  5. Step 5: Solve for x
    x = 172,075,952.39/13,927.88
  6. Step 6: Final answer
    x = 12,354.78

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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.