Home / 22,068.10-30,453.76-11,995.94

Finding the Fourth Proportional to 22,068.10, 30,453.76 and 11,995.94

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Solution

The fourth proportional to 22,068.10, 30,453.76 and 11,995.94 is: 16,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.10 : 30,453.76 = 11,995.94 : x
  2. Step 2: Convert to fraction form
    22,068.10/30,453.76 = 11,995.94/x
  3. Step 3: Cross multiply
    22,068.10x = 30,453.76 × 11,995.94
  4. Step 4: Simplify right side
    22,068.10x = 365,321,337.87
  5. Step 5: Solve for x
    x = 365,321,337.87/22,068.10
  6. Step 6: Final answer
    x = 16,554.28

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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.