Home / 14,172.31-19,557.06-8,505.94

Finding the Fourth Proportional to 14,172.31, 19,557.06 and 8,505.94

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Solution

The fourth proportional to 14,172.31, 19,557.06 and 8,505.94 is: 11,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.31 : 19,557.06 = 8,505.94 : x
  2. Step 2: Convert to fraction form
    14,172.31/19,557.06 = 8,505.94/x
  3. Step 3: Cross multiply
    14,172.31x = 19,557.06 × 8,505.94
  4. Step 4: Simplify right side
    14,172.31x = 166,351,178.94
  5. Step 5: Solve for x
    x = 166,351,178.94/14,172.31
  6. Step 6: Final answer
    x = 11,737.76

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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.