Home / 13,963.94-19,270.46-7,590.66

Finding the Fourth Proportional to 13,963.94, 19,270.46 and 7,590.66

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Solution

The fourth proportional to 13,963.94, 19,270.46 and 7,590.66 is: 10,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.94 : 19,270.46 = 7,590.66 : x
  2. Step 2: Convert to fraction form
    13,963.94/19,270.46 = 7,590.66/x
  3. Step 3: Cross multiply
    13,963.94x = 19,270.46 × 7,590.66
  4. Step 4: Simplify right side
    13,963.94x = 146,275,522.31
  5. Step 5: Solve for x
    x = 146,275,522.31/13,963.94
  6. Step 6: Final answer
    x = 10,475.23

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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.