Home / 16,011.68-24,009.84-5,478.56

Finding the Fourth Proportional to 16,011.68, 24,009.84 and 5,478.56

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Solution

The fourth proportional to 16,011.68, 24,009.84 and 5,478.56 is: 8,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,011.68 : 24,009.84 = 5,478.56 : x
  2. Step 2: Convert to fraction form
    16,011.68/24,009.84 = 5,478.56/x
  3. Step 3: Cross multiply
    16,011.68x = 24,009.84 × 5,478.56
  4. Step 4: Simplify right side
    16,011.68x = 131,539,349.03
  5. Step 5: Solve for x
    x = 131,539,349.03/16,011.68
  6. Step 6: Final answer
    x = 8,215.21

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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.