Home / 16,877.90-23,291.38-9,324.72

Finding the Fourth Proportional to 16,877.90, 23,291.38 and 9,324.72

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Solution

The fourth proportional to 16,877.90, 23,291.38 and 9,324.72 is: 12,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.90 : 23,291.38 = 9,324.72 : x
  2. Step 2: Convert to fraction form
    16,877.90/23,291.38 = 9,324.72/x
  3. Step 3: Cross multiply
    16,877.90x = 23,291.38 × 9,324.72
  4. Step 4: Simplify right side
    16,877.90x = 217,185,596.91
  5. Step 5: Solve for x
    x = 217,185,596.91/16,877.90
  6. Step 6: Final answer
    x = 12,868.05

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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.