Home / 22,051-30,430.70-11,979.62

Finding the Fourth Proportional to 22,051, 30,430.70 and 11,979.62

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Solution

The fourth proportional to 22,051, 30,430.70 and 11,979.62 is: 16,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051 : 30,430.70 = 11,979.62 : x
  2. Step 2: Convert to fraction form
    22,051/30,430.70 = 11,979.62/x
  3. Step 3: Cross multiply
    22,051x = 30,430.70 × 11,979.62
  4. Step 4: Simplify right side
    22,051x = 364,548,222.33
  5. Step 5: Solve for x
    x = 364,548,222.33/22,051
  6. Step 6: Final answer
    x = 16,532.05

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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.