Home / 16,779.42-23,155.88-9,226.06

Finding the Fourth Proportional to 16,779.42, 23,155.88 and 9,226.06

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Solution

The fourth proportional to 16,779.42, 23,155.88 and 9,226.06 is: 12,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.42 : 23,155.88 = 9,226.06 : x
  2. Step 2: Convert to fraction form
    16,779.42/23,155.88 = 9,226.06/x
  3. Step 3: Cross multiply
    16,779.42x = 23,155.88 × 9,226.06
  4. Step 4: Simplify right side
    16,779.42x = 213,637,399.39
  5. Step 5: Solve for x
    x = 213,637,399.39/16,779.42
  6. Step 6: Final answer
    x = 12,732.11

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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.