Home / 14,079.41-19,430.19-7,791.79

Finding the Fourth Proportional to 14,079.41, 19,430.19 and 7,791.79

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Solution

The fourth proportional to 14,079.41, 19,430.19 and 7,791.79 is: 10,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.41 : 19,430.19 = 7,791.79 : x
  2. Step 2: Convert to fraction form
    14,079.41/19,430.19 = 7,791.79/x
  3. Step 3: Cross multiply
    14,079.41x = 19,430.19 × 7,791.79
  4. Step 4: Simplify right side
    14,079.41x = 151,395,862.99
  5. Step 5: Solve for x
    x = 151,395,862.99/14,079.41
  6. Step 6: Final answer
    x = 10,753.00

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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.