Home / 39,192.66-58,791.72-12,897.63

Finding the Fourth Proportional to 39,192.66, 58,791.72 and 12,897.63

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Solution

The fourth proportional to 39,192.66, 58,791.72 and 12,897.63 is: 19,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192.66 : 58,791.72 = 12,897.63 : x
  2. Step 2: Convert to fraction form
    39,192.66/58,791.72 = 12,897.63/x
  3. Step 3: Cross multiply
    39,192.66x = 58,791.72 × 12,897.63
  4. Step 4: Simplify right side
    39,192.66x = 758,273,899.99
  5. Step 5: Solve for x
    x = 758,273,899.99/39,192.66
  6. Step 6: Final answer
    x = 19,347.34

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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.