Home / 22,505.96-31,052.48-15,322.88

Finding the Fourth Proportional to 22,505.96, 31,052.48 and 15,322.88

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Solution

The fourth proportional to 22,505.96, 31,052.48 and 15,322.88 is: 21,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505.96 : 31,052.48 = 15,322.88 : x
  2. Step 2: Convert to fraction form
    22,505.96/31,052.48 = 15,322.88/x
  3. Step 3: Cross multiply
    22,505.96x = 31,052.48 × 15,322.88
  4. Step 4: Simplify right side
    22,505.96x = 475,813,424.74
  5. Step 5: Solve for x
    x = 475,813,424.74/22,505.96
  6. Step 6: Final answer
    x = 21,141.66

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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.