Home / 22,707.90-31,337.64-14,207.31

Finding the Fourth Proportional to 22,707.90, 31,337.64 and 14,207.31

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Solution

The fourth proportional to 22,707.90, 31,337.64 and 14,207.31 is: 19,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.90 : 31,337.64 = 14,207.31 : x
  2. Step 2: Convert to fraction form
    22,707.90/31,337.64 = 14,207.31/x
  3. Step 3: Cross multiply
    22,707.90x = 31,337.64 × 14,207.31
  4. Step 4: Simplify right side
    22,707.90x = 445,223,566.15
  5. Step 5: Solve for x
    x = 445,223,566.15/22,707.90
  6. Step 6: Final answer
    x = 19,606.55

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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.