Home / 14,238.97-21,360.49-4,379.07

Finding the Fourth Proportional to 14,238.97, 21,360.49 and 4,379.07

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Solution

The fourth proportional to 14,238.97, 21,360.49 and 4,379.07 is: 6,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.97 : 21,360.49 = 4,379.07 : x
  2. Step 2: Convert to fraction form
    14,238.97/21,360.49 = 4,379.07/x
  3. Step 3: Cross multiply
    14,238.97x = 21,360.49 × 4,379.07
  4. Step 4: Simplify right side
    14,238.97x = 93,539,150.10
  5. Step 5: Solve for x
    x = 93,539,150.10/14,238.97
  6. Step 6: Final answer
    x = 6,569.24

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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.