Home / 14,254.76-21,382.56-4,894.64

Finding the Fourth Proportional to 14,254.76, 21,382.56 and 4,894.64

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Solution

The fourth proportional to 14,254.76, 21,382.56 and 4,894.64 is: 7,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.76 : 21,382.56 = 4,894.64 : x
  2. Step 2: Convert to fraction form
    14,254.76/21,382.56 = 4,894.64/x
  3. Step 3: Cross multiply
    14,254.76x = 21,382.56 × 4,894.64
  4. Step 4: Simplify right side
    14,254.76x = 104,659,826.57
  5. Step 5: Solve for x
    x = 104,659,826.57/14,254.76
  6. Step 6: Final answer
    x = 7,342.10

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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.