Home / 22,958.64-31,684.47-12,750.21

Finding the Fourth Proportional to 22,958.64, 31,684.47 and 12,750.21

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Solution

The fourth proportional to 22,958.64, 31,684.47 and 12,750.21 is: 17,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,958.64 : 31,684.47 = 12,750.21 : x
  2. Step 2: Convert to fraction form
    22,958.64/31,684.47 = 12,750.21/x
  3. Step 3: Cross multiply
    22,958.64x = 31,684.47 × 12,750.21
  4. Step 4: Simplify right side
    22,958.64x = 403,983,598.43
  5. Step 5: Solve for x
    x = 403,983,598.43/22,958.64
  6. Step 6: Final answer
    x = 17,596.15

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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.