Home / 14,123.97-21,173.84-5,798.79

Finding the Fourth Proportional to 14,123.97, 21,173.84 and 5,798.79

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Solution

The fourth proportional to 14,123.97, 21,173.84 and 5,798.79 is: 8,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.97 : 21,173.84 = 5,798.79 : x
  2. Step 2: Convert to fraction form
    14,123.97/21,173.84 = 5,798.79/x
  3. Step 3: Cross multiply
    14,123.97x = 21,173.84 × 5,798.79
  4. Step 4: Simplify right side
    14,123.97x = 122,782,644.41
  5. Step 5: Solve for x
    x = 122,782,644.41/14,123.97
  6. Step 6: Final answer
    x = 8,693.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.