Home / 22,528.70-31,090.48-14,961.98

Finding the Fourth Proportional to 22,528.70, 31,090.48 and 14,961.98

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Solution

The fourth proportional to 22,528.70, 31,090.48 and 14,961.98 is: 20,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.70 : 31,090.48 = 14,961.98 : x
  2. Step 2: Convert to fraction form
    22,528.70/31,090.48 = 14,961.98/x
  3. Step 3: Cross multiply
    22,528.70x = 31,090.48 × 14,961.98
  4. Step 4: Simplify right side
    22,528.70x = 465,175,139.95
  5. Step 5: Solve for x
    x = 465,175,139.95/22,528.70
  6. Step 6: Final answer
    x = 20,648.11

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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.