Home / 23,085.81-34,631.54-7,890.89

Finding the Fourth Proportional to 23,085.81, 34,631.54 and 7,890.89

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Solution

The fourth proportional to 23,085.81, 34,631.54 and 7,890.89 is: 11,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.81 : 34,631.54 = 7,890.89 : x
  2. Step 2: Convert to fraction form
    23,085.81/34,631.54 = 7,890.89/x
  3. Step 3: Cross multiply
    23,085.81x = 34,631.54 × 7,890.89
  4. Step 4: Simplify right side
    23,085.81x = 273,273,601.54
  5. Step 5: Solve for x
    x = 273,273,601.54/23,085.81
  6. Step 6: Final answer
    x = 11,837.30

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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.