Home / 13,791.46-19,036.23-9,012.11

Finding the Fourth Proportional to 13,791.46, 19,036.23 and 9,012.11

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Solution

The fourth proportional to 13,791.46, 19,036.23 and 9,012.11 is: 12,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.46 : 19,036.23 = 9,012.11 : x
  2. Step 2: Convert to fraction form
    13,791.46/19,036.23 = 9,012.11/x
  3. Step 3: Cross multiply
    13,791.46x = 19,036.23 × 9,012.11
  4. Step 4: Simplify right side
    13,791.46x = 171,556,598.75
  5. Step 5: Solve for x
    x = 171,556,598.75/13,791.46
  6. Step 6: Final answer
    x = 12,439.34

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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.