Home / 23,123.80-34,678.14-11,270.80

Finding the Fourth Proportional to 23,123.80, 34,678.14 and 11,270.80

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Solution

The fourth proportional to 23,123.80, 34,678.14 and 11,270.80 is: 16,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123.80 : 34,678.14 = 11,270.80 : x
  2. Step 2: Convert to fraction form
    23,123.80/34,678.14 = 11,270.80/x
  3. Step 3: Cross multiply
    23,123.80x = 34,678.14 × 11,270.80
  4. Step 4: Simplify right side
    23,123.80x = 390,850,380.31
  5. Step 5: Solve for x
    x = 390,850,380.31/23,123.80
  6. Step 6: Final answer
    x = 16,902.52

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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.