Home / 16,780.17-23,156.16-9,226.51

Finding the Fourth Proportional to 16,780.17, 23,156.16 and 9,226.51

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Solution

The fourth proportional to 16,780.17, 23,156.16 and 9,226.51 is: 12,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.17 : 23,156.16 = 9,226.51 : x
  2. Step 2: Convert to fraction form
    16,780.17/23,156.16 = 9,226.51/x
  3. Step 3: Cross multiply
    16,780.17x = 23,156.16 × 9,226.51
  4. Step 4: Simplify right side
    16,780.17x = 213,650,541.80
  5. Step 5: Solve for x
    x = 213,650,541.80/16,780.17
  6. Step 6: Final answer
    x = 12,732.32

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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.