Home / 23,102.28-31,868.46-13,669.02

Finding the Fourth Proportional to 23,102.28, 31,868.46 and 13,669.02

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Solution

The fourth proportional to 23,102.28, 31,868.46 and 13,669.02 is: 18,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.28 : 31,868.46 = 13,669.02 : x
  2. Step 2: Convert to fraction form
    23,102.28/31,868.46 = 13,669.02/x
  3. Step 3: Cross multiply
    23,102.28x = 31,868.46 × 13,669.02
  4. Step 4: Simplify right side
    23,102.28x = 435,610,617.11
  5. Step 5: Solve for x
    x = 435,610,617.11/23,102.28
  6. Step 6: Final answer
    x = 18,855.74

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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.