Home / 15,895.77-21,929.31-9,604.50

Finding the Fourth Proportional to 15,895.77, 21,929.31 and 9,604.50

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Solution

The fourth proportional to 15,895.77, 21,929.31 and 9,604.50 is: 13,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.77 : 21,929.31 = 9,604.50 : x
  2. Step 2: Convert to fraction form
    15,895.77/21,929.31 = 9,604.50/x
  3. Step 3: Cross multiply
    15,895.77x = 21,929.31 × 9,604.50
  4. Step 4: Simplify right side
    15,895.77x = 210,620,057.90
  5. Step 5: Solve for x
    x = 210,620,057.90/15,895.77
  6. Step 6: Final answer
    x = 13,250.07

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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.