Home / 14,080.05-19,429.07-7,791.75

Finding the Fourth Proportional to 14,080.05, 19,429.07 and 7,791.75

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Solution

The fourth proportional to 14,080.05, 19,429.07 and 7,791.75 is: 10,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.05 : 19,429.07 = 7,791.75 : x
  2. Step 2: Convert to fraction form
    14,080.05/19,429.07 = 7,791.75/x
  3. Step 3: Cross multiply
    14,080.05x = 19,429.07 × 7,791.75
  4. Step 4: Simplify right side
    14,080.05x = 151,386,417.21
  5. Step 5: Solve for x
    x = 151,386,417.21/14,080.05
  6. Step 6: Final answer
    x = 10,751.84

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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.