Home / 19,515.51-29,300.60-12,097.53

Finding the Fourth Proportional to 19,515.51, 29,300.60 and 12,097.53

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Solution

The fourth proportional to 19,515.51, 29,300.60 and 12,097.53 is: 18,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.51 : 29,300.60 = 12,097.53 : x
  2. Step 2: Convert to fraction form
    19,515.51/29,300.60 = 12,097.53/x
  3. Step 3: Cross multiply
    19,515.51x = 29,300.60 × 12,097.53
  4. Step 4: Simplify right side
    19,515.51x = 354,464,917.76
  5. Step 5: Solve for x
    x = 354,464,917.76/19,515.51
  6. Step 6: Final answer
    x = 18,163.24

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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.