Home / 17,728.68-24,459.60-11,011.92

Finding the Fourth Proportional to 17,728.68, 24,459.60 and 11,011.92

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Solution

The fourth proportional to 17,728.68, 24,459.60 and 11,011.92 is: 15,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728.68 : 24,459.60 = 11,011.92 : x
  2. Step 2: Convert to fraction form
    17,728.68/24,459.60 = 11,011.92/x
  3. Step 3: Cross multiply
    17,728.68x = 24,459.60 × 11,011.92
  4. Step 4: Simplify right side
    17,728.68x = 269,347,158.43
  5. Step 5: Solve for x
    x = 269,347,158.43/17,728.68
  6. Step 6: Final answer
    x = 15,192.74

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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.