Home / 15,329.46-21,156.72-11,094.54

Finding the Fourth Proportional to 15,329.46, 21,156.72 and 11,094.54

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Solution

The fourth proportional to 15,329.46, 21,156.72 and 11,094.54 is: 15,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.46 : 21,156.72 = 11,094.54 : x
  2. Step 2: Convert to fraction form
    15,329.46/21,156.72 = 11,094.54/x
  3. Step 3: Cross multiply
    15,329.46x = 21,156.72 × 11,094.54
  4. Step 4: Simplify right side
    15,329.46x = 234,724,076.31
  5. Step 5: Solve for x
    x = 234,724,076.31/15,329.46
  6. Step 6: Final answer
    x = 15,311.96

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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.