Home / 14,235.05-19,644.84-8,266.36

Finding the Fourth Proportional to 14,235.05, 19,644.84 and 8,266.36

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Solution

The fourth proportional to 14,235.05, 19,644.84 and 8,266.36 is: 11,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.05 : 19,644.84 = 8,266.36 : x
  2. Step 2: Convert to fraction form
    14,235.05/19,644.84 = 8,266.36/x
  3. Step 3: Cross multiply
    14,235.05x = 19,644.84 × 8,266.36
  4. Step 4: Simplify right side
    14,235.05x = 162,391,319.58
  5. Step 5: Solve for x
    x = 162,391,319.58/14,235.05
  6. Step 6: Final answer
    x = 11,407.85

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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.