Home / 16,779.77-23,156.09-9,226.22

Finding the Fourth Proportional to 16,779.77, 23,156.09 and 9,226.22

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Solution

The fourth proportional to 16,779.77, 23,156.09 and 9,226.22 is: 12,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.77 : 23,156.09 = 9,226.22 : x
  2. Step 2: Convert to fraction form
    16,779.77/23,156.09 = 9,226.22/x
  3. Step 3: Cross multiply
    16,779.77x = 23,156.09 × 9,226.22
  4. Step 4: Simplify right side
    16,779.77x = 213,643,261.64
  5. Step 5: Solve for x
    x = 213,643,261.64/16,779.77
  6. Step 6: Final answer
    x = 12,732.20

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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.