Home / 14,820.86-20,448.82-9,081.36

Finding the Fourth Proportional to 14,820.86, 20,448.82 and 9,081.36

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Solution

The fourth proportional to 14,820.86, 20,448.82 and 9,081.36 is: 12,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.86 : 20,448.82 = 9,081.36 : x
  2. Step 2: Convert to fraction form
    14,820.86/20,448.82 = 9,081.36/x
  3. Step 3: Cross multiply
    14,820.86x = 20,448.82 × 9,081.36
  4. Step 4: Simplify right side
    14,820.86x = 185,703,096.00
  5. Step 5: Solve for x
    x = 185,703,096.00/14,820.86
  6. Step 6: Final answer
    x = 12,529.85

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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.