Home / 22,586.34-31,172.79-14,651.64

Finding the Fourth Proportional to 22,586.34, 31,172.79 and 14,651.64

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Solution

The fourth proportional to 22,586.34, 31,172.79 and 14,651.64 is: 20,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,586.34 : 31,172.79 = 14,651.64 : x
  2. Step 2: Convert to fraction form
    22,586.34/31,172.79 = 14,651.64/x
  3. Step 3: Cross multiply
    22,586.34x = 31,172.79 × 14,651.64
  4. Step 4: Simplify right side
    22,586.34x = 456,732,496.88
  5. Step 5: Solve for x
    x = 456,732,496.88/22,586.34
  6. Step 6: Final answer
    x = 20,221.62

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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.