Home / 13,734.12-20,597.13-7,156.92

Finding the Fourth Proportional to 13,734.12, 20,597.13 and 7,156.92

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Solution

The fourth proportional to 13,734.12, 20,597.13 and 7,156.92 is: 10,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.12 : 20,597.13 = 7,156.92 : x
  2. Step 2: Convert to fraction form
    13,734.12/20,597.13 = 7,156.92/x
  3. Step 3: Cross multiply
    13,734.12x = 20,597.13 × 7,156.92
  4. Step 4: Simplify right side
    13,734.12x = 147,412,011.64
  5. Step 5: Solve for x
    x = 147,412,011.64/13,734.12
  6. Step 6: Final answer
    x = 10,733.27

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1.5x scale

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.