Home / 22,530.51-31,098.60-13,576.50

Finding the Fourth Proportional to 22,530.51, 31,098.60 and 13,576.50

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Solution

The fourth proportional to 22,530.51, 31,098.60 and 13,576.50 is: 18,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.51 : 31,098.60 = 13,576.50 : x
  2. Step 2: Convert to fraction form
    22,530.51/31,098.60 = 13,576.50/x
  3. Step 3: Cross multiply
    22,530.51x = 31,098.60 × 13,576.50
  4. Step 4: Simplify right side
    22,530.51x = 422,210,142.90
  5. Step 5: Solve for x
    x = 422,210,142.90/22,530.51
  6. Step 6: Final answer
    x = 18,739.48

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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.