Home / 15,759.86-21,757.49-10,461.92

Finding the Fourth Proportional to 15,759.86, 21,757.49 and 10,461.92

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Solution

The fourth proportional to 15,759.86, 21,757.49 and 10,461.92 is: 14,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.86 : 21,757.49 = 10,461.92 : x
  2. Step 2: Convert to fraction form
    15,759.86/21,757.49 = 10,461.92/x
  3. Step 3: Cross multiply
    15,759.86x = 21,757.49 × 10,461.92
  4. Step 4: Simplify right side
    15,759.86x = 227,624,958.68
  5. Step 5: Solve for x
    x = 227,624,958.68/15,759.86
  6. Step 6: Final answer
    x = 14,443.34

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1.5x scale

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.