Home / 21,995.15-32,974.19-14,955.44

Finding the Fourth Proportional to 21,995.15, 32,974.19 and 14,955.44

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Solution

The fourth proportional to 21,995.15, 32,974.19 and 14,955.44 is: 22,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.15 : 32,974.19 = 14,955.44 : x
  2. Step 2: Convert to fraction form
    21,995.15/32,974.19 = 14,955.44/x
  3. Step 3: Cross multiply
    21,995.15x = 32,974.19 × 14,955.44
  4. Step 4: Simplify right side
    21,995.15x = 493,143,336.53
  5. Step 5: Solve for x
    x = 493,143,336.53/21,995.15
  6. Step 6: Final answer
    x = 22,420.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.