Home / 22,779.30-34,178.82-12,237.02

Finding the Fourth Proportional to 22,779.30, 34,178.82 and 12,237.02

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Solution

The fourth proportional to 22,779.30, 34,178.82 and 12,237.02 is: 18,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.30 : 34,178.82 = 12,237.02 : x
  2. Step 2: Convert to fraction form
    22,779.30/34,178.82 = 12,237.02/x
  3. Step 3: Cross multiply
    22,779.30x = 34,178.82 × 12,237.02
  4. Step 4: Simplify right side
    22,779.30x = 418,246,733.02
  5. Step 5: Solve for x
    x = 418,246,733.02/22,779.30
  6. Step 6: Final answer
    x = 18,360.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.