Home / 22,009.09-30,372.73-11,937.51

Finding the Fourth Proportional to 22,009.09, 30,372.73 and 11,937.51

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Solution

The fourth proportional to 22,009.09, 30,372.73 and 11,937.51 is: 16,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.09 : 30,372.73 = 11,937.51 : x
  2. Step 2: Convert to fraction form
    22,009.09/30,372.73 = 11,937.51/x
  3. Step 3: Cross multiply
    22,009.09x = 30,372.73 × 11,937.51
  4. Step 4: Simplify right side
    22,009.09x = 362,574,771.83
  5. Step 5: Solve for x
    x = 362,574,771.83/22,009.09
  6. Step 6: Final answer
    x = 16,473.86

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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.