Home / 20,966.94-31,450.36-6,175.84

Finding the Fourth Proportional to 20,966.94, 31,450.36 and 6,175.84

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Solution

The fourth proportional to 20,966.94, 31,450.36 and 6,175.84 is: 9,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966.94 : 31,450.36 = 6,175.84 : x
  2. Step 2: Convert to fraction form
    20,966.94/31,450.36 = 6,175.84/x
  3. Step 3: Cross multiply
    20,966.94x = 31,450.36 × 6,175.84
  4. Step 4: Simplify right side
    20,966.94x = 194,232,203.17
  5. Step 5: Solve for x
    x = 194,232,203.17/20,966.94
  6. Step 6: Final answer
    x = 9,263.74

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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.