Home / 15,689.63-23,538.09-5,301.38

Finding the Fourth Proportional to 15,689.63, 23,538.09 and 5,301.38

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Solution

The fourth proportional to 15,689.63, 23,538.09 and 5,301.38 is: 7,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.63 : 23,538.09 = 5,301.38 : x
  2. Step 2: Convert to fraction form
    15,689.63/23,538.09 = 5,301.38/x
  3. Step 3: Cross multiply
    15,689.63x = 23,538.09 × 5,301.38
  4. Step 4: Simplify right side
    15,689.63x = 124,784,241.87
  5. Step 5: Solve for x
    x = 124,784,241.87/15,689.63
  6. Step 6: Final answer
    x = 7,953.30

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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.