Home / 21,295.73-31,943.61-9,595.28

Finding the Fourth Proportional to 21,295.73, 31,943.61 and 9,595.28

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Solution

The fourth proportional to 21,295.73, 31,943.61 and 9,595.28 is: 14,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.73 : 31,943.61 = 9,595.28 : x
  2. Step 2: Convert to fraction form
    21,295.73/31,943.61 = 9,595.28/x
  3. Step 3: Cross multiply
    21,295.73x = 31,943.61 × 9,595.28
  4. Step 4: Simplify right side
    21,295.73x = 306,507,962.02
  5. Step 5: Solve for x
    x = 306,507,962.02/21,295.73
  6. Step 6: Final answer
    x = 14,392.93

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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.