Home / 16,660.36-25,001.34-7,905.16

Finding the Fourth Proportional to 16,660.36, 25,001.34 and 7,905.16

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Solution

The fourth proportional to 16,660.36, 25,001.34 and 7,905.16 is: 11,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.36 : 25,001.34 = 7,905.16 : x
  2. Step 2: Convert to fraction form
    16,660.36/25,001.34 = 7,905.16/x
  3. Step 3: Cross multiply
    16,660.36x = 25,001.34 × 7,905.16
  4. Step 4: Simplify right side
    16,660.36x = 197,639,592.91
  5. Step 5: Solve for x
    x = 197,639,592.91/16,660.36
  6. Step 6: Final answer
    x = 11,862.86

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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.