Home / 13,947.89-19,249.65-8,284.01

Finding the Fourth Proportional to 13,947.89, 19,249.65 and 8,284.01

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Solution

The fourth proportional to 13,947.89, 19,249.65 and 8,284.01 is: 11,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.89 : 19,249.65 = 8,284.01 : x
  2. Step 2: Convert to fraction form
    13,947.89/19,249.65 = 8,284.01/x
  3. Step 3: Cross multiply
    13,947.89x = 19,249.65 × 8,284.01
  4. Step 4: Simplify right side
    13,947.89x = 159,464,196.85
  5. Step 5: Solve for x
    x = 159,464,196.85/13,947.89
  6. Step 6: Final answer
    x = 11,432.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.