Home / 15,945.09-23,905.91-8,043.72

Finding the Fourth Proportional to 15,945.09, 23,905.91 and 8,043.72

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Solution

The fourth proportional to 15,945.09, 23,905.91 and 8,043.72 is: 12,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.09 : 23,905.91 = 8,043.72 : x
  2. Step 2: Convert to fraction form
    15,945.09/23,905.91 = 8,043.72/x
  3. Step 3: Cross multiply
    15,945.09x = 23,905.91 × 8,043.72
  4. Step 4: Simplify right side
    15,945.09x = 192,292,406.17
  5. Step 5: Solve for x
    x = 192,292,406.17/15,945.09
  6. Step 6: Final answer
    x = 12,059.66

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1.5x scale

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.