Home / 16,421.28-24,635.52-5,329.08

Finding the Fourth Proportional to 16,421.28, 24,635.52 and 5,329.08

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Solution

The fourth proportional to 16,421.28, 24,635.52 and 5,329.08 is: 7,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.28 : 24,635.52 = 5,329.08 : x
  2. Step 2: Convert to fraction form
    16,421.28/24,635.52 = 5,329.08/x
  3. Step 3: Cross multiply
    16,421.28x = 24,635.52 × 5,329.08
  4. Step 4: Simplify right side
    16,421.28x = 131,284,656.92
  5. Step 5: Solve for x
    x = 131,284,656.92/16,421.28
  6. Step 6: Final answer
    x = 7,994.79

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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.