Home / 22,950.13-31,671.51-12,877.98

Finding the Fourth Proportional to 22,950.13, 31,671.51 and 12,877.98

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Solution

The fourth proportional to 22,950.13, 31,671.51 and 12,877.98 is: 17,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.13 : 31,671.51 = 12,877.98 : x
  2. Step 2: Convert to fraction form
    22,950.13/31,671.51 = 12,877.98/x
  3. Step 3: Cross multiply
    22,950.13x = 31,671.51 × 12,877.98
  4. Step 4: Simplify right side
    22,950.13x = 407,864,849.60
  5. Step 5: Solve for x
    x = 407,864,849.60/22,950.13
  6. Step 6: Final answer
    x = 17,771.79

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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.