Home / 16,989.48-23,437.29-11,956.44

Finding the Fourth Proportional to 16,989.48, 23,437.29 and 11,956.44

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Solution

The fourth proportional to 16,989.48, 23,437.29 and 11,956.44 is: 16,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.48 : 23,437.29 = 11,956.44 : x
  2. Step 2: Convert to fraction form
    16,989.48/23,437.29 = 11,956.44/x
  3. Step 3: Cross multiply
    16,989.48x = 23,437.29 × 11,956.44
  4. Step 4: Simplify right side
    16,989.48x = 280,226,551.65
  5. Step 5: Solve for x
    x = 280,226,551.65/16,989.48
  6. Step 6: Final answer
    x = 16,494.12

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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.