Home / 16,429.20-24,643.80-13,148.70

Finding the Fourth Proportional to 16,429.20, 24,643.80 and 13,148.70

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Solution

The fourth proportional to 16,429.20, 24,643.80 and 13,148.70 is: 19,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,429.20 : 24,643.80 = 13,148.70 : x
  2. Step 2: Convert to fraction form
    16,429.20/24,643.80 = 13,148.70/x
  3. Step 3: Cross multiply
    16,429.20x = 24,643.80 × 13,148.70
  4. Step 4: Simplify right side
    16,429.20x = 324,033,933.06
  5. Step 5: Solve for x
    x = 324,033,933.06/16,429.20
  6. Step 6: Final answer
    x = 19,723.05

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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.