Home / 14,359.23-19,816.61-8,072.01

Finding the Fourth Proportional to 14,359.23, 19,816.61 and 8,072.01

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Solution

The fourth proportional to 14,359.23, 19,816.61 and 8,072.01 is: 11,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.23 : 19,816.61 = 8,072.01 : x
  2. Step 2: Convert to fraction form
    14,359.23/19,816.61 = 8,072.01/x
  3. Step 3: Cross multiply
    14,359.23x = 19,816.61 × 8,072.01
  4. Step 4: Simplify right side
    14,359.23x = 159,959,833.73
  5. Step 5: Solve for x
    x = 159,959,833.73/14,359.23
  6. Step 6: Final answer
    x = 11,139.86

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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.