Home / 15,759.60-21,760.92-10,734.36

Finding the Fourth Proportional to 15,759.60, 21,760.92 and 10,734.36

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Solution

The fourth proportional to 15,759.60, 21,760.92 and 10,734.36 is: 14,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.60 : 21,760.92 = 10,734.36 : x
  2. Step 2: Convert to fraction form
    15,759.60/21,760.92 = 10,734.36/x
  3. Step 3: Cross multiply
    15,759.60x = 21,760.92 × 10,734.36
  4. Step 4: Simplify right side
    15,759.60x = 233,589,549.21
  5. Step 5: Solve for x
    x = 233,589,549.21/15,759.60
  6. Step 6: Final answer
    x = 14,822.05

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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.