Home / 13,051.14-19,576.71-9,172.86

Finding the Fourth Proportional to 13,051.14, 19,576.71 and 9,172.86

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Solution

The fourth proportional to 13,051.14, 19,576.71 and 9,172.86 is: 13,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.14 : 19,576.71 = 9,172.86 : x
  2. Step 2: Convert to fraction form
    13,051.14/19,576.71 = 9,172.86/x
  3. Step 3: Cross multiply
    13,051.14x = 19,576.71 × 9,172.86
  4. Step 4: Simplify right side
    13,051.14x = 179,574,420.09
  5. Step 5: Solve for x
    x = 179,574,420.09/13,051.14
  6. Step 6: Final answer
    x = 13,759.29

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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.