Home / 14,359.04-19,814.46-8,072.36

Finding the Fourth Proportional to 14,359.04, 19,814.46 and 8,072.36

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Solution

The fourth proportional to 14,359.04, 19,814.46 and 8,072.36 is: 11,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.04 : 19,814.46 = 8,072.36 : x
  2. Step 2: Convert to fraction form
    14,359.04/19,814.46 = 8,072.36/x
  3. Step 3: Cross multiply
    14,359.04x = 19,814.46 × 8,072.36
  4. Step 4: Simplify right side
    14,359.04x = 159,949,454.33
  5. Step 5: Solve for x
    x = 159,949,454.33/14,359.04
  6. Step 6: Final answer
    x = 11,139.29

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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.