Home / 15,044.52-20,768.23-9,674.76

Finding the Fourth Proportional to 15,044.52, 20,768.23 and 9,674.76

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Solution

The fourth proportional to 15,044.52, 20,768.23 and 9,674.76 is: 13,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.52 : 20,768.23 = 9,674.76 : x
  2. Step 2: Convert to fraction form
    15,044.52/20,768.23 = 9,674.76/x
  3. Step 3: Cross multiply
    15,044.52x = 20,768.23 × 9,674.76
  4. Step 4: Simplify right side
    15,044.52x = 200,927,640.87
  5. Step 5: Solve for x
    x = 200,927,640.87/15,044.52
  6. Step 6: Final answer
    x = 13,355.54

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1.5x scale

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.