Home / 15,821.40-23,732.58-5,433

Finding the Fourth Proportional to 15,821.40, 23,732.58 and 5,433

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Solution

The fourth proportional to 15,821.40, 23,732.58 and 5,433 is: 8,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.40 : 23,732.58 = 5,433 : x
  2. Step 2: Convert to fraction form
    15,821.40/23,732.58 = 5,433/x
  3. Step 3: Cross multiply
    15,821.40x = 23,732.58 × 5,433
  4. Step 4: Simplify right side
    15,821.40x = 128,939,107.14
  5. Step 5: Solve for x
    x = 128,939,107.14/15,821.40
  6. Step 6: Final answer
    x = 8,149.66

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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.