Home / 21,766.34-29,995.44-14,680.46

Finding the Fourth Proportional to 21,766.34, 29,995.44 and 14,680.46

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Solution

The fourth proportional to 21,766.34, 29,995.44 and 14,680.46 is: 20,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.34 : 29,995.44 = 14,680.46 : x
  2. Step 2: Convert to fraction form
    21,766.34/29,995.44 = 14,680.46/x
  3. Step 3: Cross multiply
    21,766.34x = 29,995.44 × 14,680.46
  4. Step 4: Simplify right side
    21,766.34x = 440,346,857.10
  5. Step 5: Solve for x
    x = 440,346,857.10/21,766.34
  6. Step 6: Final answer
    x = 20,230.63

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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.