Home / 15,042.00-20,758.73-8,328.37

Finding the Fourth Proportional to 15,042.00, 20,758.73 and 8,328.37

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Solution

The fourth proportional to 15,042.00, 20,758.73 and 8,328.37 is: 11,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.00 : 20,758.73 = 8,328.37 : x
  2. Step 2: Convert to fraction form
    15,042.00/20,758.73 = 8,328.37/x
  3. Step 3: Cross multiply
    15,042.00x = 20,758.73 × 8,328.37
  4. Step 4: Simplify right side
    15,042.00x = 172,886,376.40
  5. Step 5: Solve for x
    x = 172,886,376.40/15,042.00
  6. Step 6: Final answer
    x = 11,493.57

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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.