Home / 14,236.42-21,353.98-4,877.28

Finding the Fourth Proportional to 14,236.42, 21,353.98 and 4,877.28

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Solution

The fourth proportional to 14,236.42, 21,353.98 and 4,877.28 is: 7,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.42 : 21,353.98 = 4,877.28 : x
  2. Step 2: Convert to fraction form
    14,236.42/21,353.98 = 4,877.28/x
  3. Step 3: Cross multiply
    14,236.42x = 21,353.98 × 4,877.28
  4. Step 4: Simplify right side
    14,236.42x = 104,149,339.57
  5. Step 5: Solve for x
    x = 104,149,339.57/14,236.42
  6. Step 6: Final answer
    x = 7,315.70

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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.