Home / 27,633.17-41,421.19-12,830.01

Finding the Fourth Proportional to 27,633.17, 41,421.19 and 12,830.01

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Solution

The fourth proportional to 27,633.17, 41,421.19 and 12,830.01 is: 19,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,633.17 : 41,421.19 = 12,830.01 : x
  2. Step 2: Convert to fraction form
    27,633.17/41,421.19 = 12,830.01/x
  3. Step 3: Cross multiply
    27,633.17x = 41,421.19 × 12,830.01
  4. Step 4: Simplify right side
    27,633.17x = 531,434,281.91
  5. Step 5: Solve for x
    x = 531,434,281.91/27,633.17
  6. Step 6: Final answer
    x = 19,231.75

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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.