Home / 22,505.14-31,056.66-12,434.02

Finding the Fourth Proportional to 22,505.14, 31,056.66 and 12,434.02

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Solution

The fourth proportional to 22,505.14, 31,056.66 and 12,434.02 is: 17,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505.14 : 31,056.66 = 12,434.02 : x
  2. Step 2: Convert to fraction form
    22,505.14/31,056.66 = 12,434.02/x
  3. Step 3: Cross multiply
    22,505.14x = 31,056.66 × 12,434.02
  4. Step 4: Simplify right side
    22,505.14x = 386,159,131.57
  5. Step 5: Solve for x
    x = 386,159,131.57/22,505.14
  6. Step 6: Final answer
    x = 17,158.71

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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.