Home / 16,990.90-23,446.26-9,437.04

Finding the Fourth Proportional to 16,990.90, 23,446.26 and 9,437.04

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Solution

The fourth proportional to 16,990.90, 23,446.26 and 9,437.04 is: 13,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.90 : 23,446.26 = 9,437.04 : x
  2. Step 2: Convert to fraction form
    16,990.90/23,446.26 = 9,437.04/x
  3. Step 3: Cross multiply
    16,990.90x = 23,446.26 × 9,437.04
  4. Step 4: Simplify right side
    16,990.90x = 221,263,293.47
  5. Step 5: Solve for x
    x = 221,263,293.47/16,990.90
  6. Step 6: Final answer
    x = 13,022.46

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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.