Home / 16,779.33-23,155.70-9,226.40

Finding the Fourth Proportional to 16,779.33, 23,155.70 and 9,226.40

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Solution

The fourth proportional to 16,779.33, 23,155.70 and 9,226.40 is: 12,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.33 : 23,155.70 = 9,226.40 : x
  2. Step 2: Convert to fraction form
    16,779.33/23,155.70 = 9,226.40/x
  3. Step 3: Cross multiply
    16,779.33x = 23,155.70 × 9,226.40
  4. Step 4: Simplify right side
    16,779.33x = 213,643,588.57
  5. Step 5: Solve for x
    x = 213,643,588.57/16,779.33
  6. Step 6: Final answer
    x = 12,732.55

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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.