Home / 22,982.40-31,705.29-14,478.62

Finding the Fourth Proportional to 22,982.40, 31,705.29 and 14,478.62

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Solution

The fourth proportional to 22,982.40, 31,705.29 and 14,478.62 is: 19,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.40 : 31,705.29 = 14,478.62 : x
  2. Step 2: Convert to fraction form
    22,982.40/31,705.29 = 14,478.62/x
  3. Step 3: Cross multiply
    22,982.40x = 31,705.29 × 14,478.62
  4. Step 4: Simplify right side
    22,982.40x = 459,048,687.37
  5. Step 5: Solve for x
    x = 459,048,687.37/22,982.40
  6. Step 6: Final answer
    x = 19,973.92

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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.