Home / 14,305.34-21,460.86-4,945.70

Finding the Fourth Proportional to 14,305.34, 21,460.86 and 4,945.70

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Solution

The fourth proportional to 14,305.34, 21,460.86 and 4,945.70 is: 7,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.34 : 21,460.86 = 4,945.70 : x
  2. Step 2: Convert to fraction form
    14,305.34/21,460.86 = 4,945.70/x
  3. Step 3: Cross multiply
    14,305.34x = 21,460.86 × 4,945.70
  4. Step 4: Simplify right side
    14,305.34x = 106,138,975.30
  5. Step 5: Solve for x
    x = 106,138,975.30/14,305.34
  6. Step 6: Final answer
    x = 7,419.54

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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.