Home / 14,221.68-19,624.98-8,555.37

Finding the Fourth Proportional to 14,221.68, 19,624.98 and 8,555.37

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Solution

The fourth proportional to 14,221.68, 19,624.98 and 8,555.37 is: 11,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.68 : 19,624.98 = 8,555.37 : x
  2. Step 2: Convert to fraction form
    14,221.68/19,624.98 = 8,555.37/x
  3. Step 3: Cross multiply
    14,221.68x = 19,624.98 × 8,555.37
  4. Step 4: Simplify right side
    14,221.68x = 167,899,034.02
  5. Step 5: Solve for x
    x = 167,899,034.02/14,221.68
  6. Step 6: Final answer
    x = 11,805.85

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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.