Home / 17,035.08-25,529.28-12,871.68

Finding the Fourth Proportional to 17,035.08, 25,529.28 and 12,871.68

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Solution

The fourth proportional to 17,035.08, 25,529.28 and 12,871.68 is: 19,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,035.08 : 25,529.28 = 12,871.68 : x
  2. Step 2: Convert to fraction form
    17,035.08/25,529.28 = 12,871.68/x
  3. Step 3: Cross multiply
    17,035.08x = 25,529.28 × 12,871.68
  4. Step 4: Simplify right side
    17,035.08x = 328,604,722.79
  5. Step 5: Solve for x
    x = 328,604,722.79/17,035.08
  6. Step 6: Final answer
    x = 19,289.88

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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.