Home / 14,032.80-21,010.32-7,073.28

Finding the Fourth Proportional to 14,032.80, 21,010.32 and 7,073.28

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Solution

The fourth proportional to 14,032.80, 21,010.32 and 7,073.28 is: 10,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.80 : 21,010.32 = 7,073.28 : x
  2. Step 2: Convert to fraction form
    14,032.80/21,010.32 = 7,073.28/x
  3. Step 3: Cross multiply
    14,032.80x = 21,010.32 × 7,073.28
  4. Step 4: Simplify right side
    14,032.80x = 148,611,876.25
  5. Step 5: Solve for x
    x = 148,611,876.25/14,032.80
  6. Step 6: Final answer
    x = 10,590.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.