Home / 14,415.33-21,628.76-7,833.81

Finding the Fourth Proportional to 14,415.33, 21,628.76 and 7,833.81

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Solution

The fourth proportional to 14,415.33, 21,628.76 and 7,833.81 is: 11,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.33 : 21,628.76 = 7,833.81 : x
  2. Step 2: Convert to fraction form
    14,415.33/21,628.76 = 7,833.81/x
  3. Step 3: Cross multiply
    14,415.33x = 21,628.76 × 7,833.81
  4. Step 4: Simplify right side
    14,415.33x = 169,435,557.21
  5. Step 5: Solve for x
    x = 169,435,557.21/14,415.33
  6. Step 6: Final answer
    x = 11,753.85

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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.