Home / 14,359.44-19,816.93-8,072.22

Finding the Fourth Proportional to 14,359.44, 19,816.93 and 8,072.22

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Solution

The fourth proportional to 14,359.44, 19,816.93 and 8,072.22 is: 11,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.44 : 19,816.93 = 8,072.22 : x
  2. Step 2: Convert to fraction form
    14,359.44/19,816.93 = 8,072.22/x
  3. Step 3: Cross multiply
    14,359.44x = 19,816.93 × 8,072.22
  4. Step 4: Simplify right side
    14,359.44x = 159,966,499.42
  5. Step 5: Solve for x
    x = 159,966,499.42/14,359.44
  6. Step 6: Final answer
    x = 11,140.17

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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.