Home / 14,001.30-19,321.07-8,696.00

Finding the Fourth Proportional to 14,001.30, 19,321.07 and 8,696.00

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Solution

The fourth proportional to 14,001.30, 19,321.07 and 8,696.00 is: 12,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.30 : 19,321.07 = 8,696.00 : x
  2. Step 2: Convert to fraction form
    14,001.30/19,321.07 = 8,696.00/x
  3. Step 3: Cross multiply
    14,001.30x = 19,321.07 × 8,696.00
  4. Step 4: Simplify right side
    14,001.30x = 168,016,029.54
  5. Step 5: Solve for x
    x = 168,016,029.54/14,001.30
  6. Step 6: Final answer
    x = 12,000.03

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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.