Home / 14,260.96-21,390.48-5,025.76

Finding the Fourth Proportional to 14,260.96, 21,390.48 and 5,025.76

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Solution

The fourth proportional to 14,260.96, 21,390.48 and 5,025.76 is: 7,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.96 : 21,390.48 = 5,025.76 : x
  2. Step 2: Convert to fraction form
    14,260.96/21,390.48 = 5,025.76/x
  3. Step 3: Cross multiply
    14,260.96x = 21,390.48 × 5,025.76
  4. Step 4: Simplify right side
    14,260.96x = 107,503,418.76
  5. Step 5: Solve for x
    x = 107,503,418.76/14,260.96
  6. Step 6: Final answer
    x = 7,538.30

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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.