Home / 22,068.65-30,453.45-11,997

Finding the Fourth Proportional to 22,068.65, 30,453.45 and 11,997

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Solution

The fourth proportional to 22,068.65, 30,453.45 and 11,997 is: 16,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.65 : 30,453.45 = 11,997 : x
  2. Step 2: Convert to fraction form
    22,068.65/30,453.45 = 11,997/x
  3. Step 3: Cross multiply
    22,068.65x = 30,453.45 × 11,997
  4. Step 4: Simplify right side
    22,068.65x = 365,350,039.65
  5. Step 5: Solve for x
    x = 365,350,039.65/22,068.65
  6. Step 6: Final answer
    x = 16,555.16

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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.