Home / 14,998.72-20,698.28-8,284.33

Finding the Fourth Proportional to 14,998.72, 20,698.28 and 8,284.33

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Solution

The fourth proportional to 14,998.72, 20,698.28 and 8,284.33 is: 11,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.72 : 20,698.28 = 8,284.33 : x
  2. Step 2: Convert to fraction form
    14,998.72/20,698.28 = 8,284.33/x
  3. Step 3: Cross multiply
    14,998.72x = 20,698.28 × 8,284.33
  4. Step 4: Simplify right side
    14,998.72x = 171,471,327.64
  5. Step 5: Solve for x
    x = 171,471,327.64/14,998.72
  6. Step 6: Final answer
    x = 11,432.40

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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.