Home / 15,282.96-22,929.03-12,638.52

Finding the Fourth Proportional to 15,282.96, 22,929.03 and 12,638.52

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Solution

The fourth proportional to 15,282.96, 22,929.03 and 12,638.52 is: 18,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.96 : 22,929.03 = 12,638.52 : x
  2. Step 2: Convert to fraction form
    15,282.96/22,929.03 = 12,638.52/x
  3. Step 3: Cross multiply
    15,282.96x = 22,929.03 × 12,638.52
  4. Step 4: Simplify right side
    15,282.96x = 289,789,004.24
  5. Step 5: Solve for x
    x = 289,789,004.24/15,282.96
  6. Step 6: Final answer
    x = 18,961.58

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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.