Home / 23,331.14-34,935.70-12,779.21

Finding the Fourth Proportional to 23,331.14, 34,935.70 and 12,779.21

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Solution

The fourth proportional to 23,331.14, 34,935.70 and 12,779.21 is: 19,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.14 : 34,935.70 = 12,779.21 : x
  2. Step 2: Convert to fraction form
    23,331.14/34,935.70 = 12,779.21/x
  3. Step 3: Cross multiply
    23,331.14x = 34,935.70 × 12,779.21
  4. Step 4: Simplify right side
    23,331.14x = 446,450,472.12
  5. Step 5: Solve for x
    x = 446,450,472.12/23,331.14
  6. Step 6: Final answer
    x = 19,135.39

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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.