Home / 14,273.89-21,411.41-3,885.61

Finding the Fourth Proportional to 14,273.89, 21,411.41 and 3,885.61

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Solution

The fourth proportional to 14,273.89, 21,411.41 and 3,885.61 is: 5,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.89 : 21,411.41 = 3,885.61 : x
  2. Step 2: Convert to fraction form
    14,273.89/21,411.41 = 3,885.61/x
  3. Step 3: Cross multiply
    14,273.89x = 21,411.41 × 3,885.61
  4. Step 4: Simplify right side
    14,273.89x = 83,196,388.81
  5. Step 5: Solve for x
    x = 83,196,388.81/14,273.89
  6. Step 6: Final answer
    x = 5,828.57

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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.