Home / 17,990.29-26,989.08-6,304.42

Finding the Fourth Proportional to 17,990.29, 26,989.08 and 6,304.42

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Solution

The fourth proportional to 17,990.29, 26,989.08 and 6,304.42 is: 9,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.29 : 26,989.08 = 6,304.42 : x
  2. Step 2: Convert to fraction form
    17,990.29/26,989.08 = 6,304.42/x
  3. Step 3: Cross multiply
    17,990.29x = 26,989.08 × 6,304.42
  4. Step 4: Simplify right side
    17,990.29x = 170,150,495.73
  5. Step 5: Solve for x
    x = 170,150,495.73/17,990.29
  6. Step 6: Final answer
    x = 9,457.91

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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.