Home / 14,386.76-21,571.49-5,625.80

Finding the Fourth Proportional to 14,386.76, 21,571.49 and 5,625.80

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Solution

The fourth proportional to 14,386.76, 21,571.49 and 5,625.80 is: 8,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.76 : 21,571.49 = 5,625.80 : x
  2. Step 2: Convert to fraction form
    14,386.76/21,571.49 = 5,625.80/x
  3. Step 3: Cross multiply
    14,386.76x = 21,571.49 × 5,625.80
  4. Step 4: Simplify right side
    14,386.76x = 121,356,752.46
  5. Step 5: Solve for x
    x = 121,356,752.46/14,386.76
  6. Step 6: Final answer
    x = 8,435.31

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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.