Home / 22,944.51-31,661.58-12,871.56

Finding the Fourth Proportional to 22,944.51, 31,661.58 and 12,871.56

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Solution

The fourth proportional to 22,944.51, 31,661.58 and 12,871.56 is: 17,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,944.51 : 31,661.58 = 12,871.56 : x
  2. Step 2: Convert to fraction form
    22,944.51/31,661.58 = 12,871.56/x
  3. Step 3: Cross multiply
    22,944.51x = 31,661.58 × 12,871.56
  4. Step 4: Simplify right side
    22,944.51x = 407,533,926.66
  5. Step 5: Solve for x
    x = 407,533,926.66/22,944.51
  6. Step 6: Final answer
    x = 17,761.72

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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.