Home / 16,672.91-23,009.29-9,119.56

Finding the Fourth Proportional to 16,672.91, 23,009.29 and 9,119.56

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Solution

The fourth proportional to 16,672.91, 23,009.29 and 9,119.56 is: 12,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.91 : 23,009.29 = 9,119.56 : x
  2. Step 2: Convert to fraction form
    16,672.91/23,009.29 = 9,119.56/x
  3. Step 3: Cross multiply
    16,672.91x = 23,009.29 × 9,119.56
  4. Step 4: Simplify right side
    16,672.91x = 209,834,653.90
  5. Step 5: Solve for x
    x = 209,834,653.90/16,672.91
  6. Step 6: Final answer
    x = 12,585.36

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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.