Home / 16,634.24-24,970.80-10,815.20

Finding the Fourth Proportional to 16,634.24, 24,970.80 and 10,815.20

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Solution

The fourth proportional to 16,634.24, 24,970.80 and 10,815.20 is: 16,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,634.24 : 24,970.80 = 10,815.20 : x
  2. Step 2: Convert to fraction form
    16,634.24/24,970.80 = 10,815.20/x
  3. Step 3: Cross multiply
    16,634.24x = 24,970.80 × 10,815.20
  4. Step 4: Simplify right side
    16,634.24x = 270,064,196.16
  5. Step 5: Solve for x
    x = 270,064,196.16/16,634.24
  6. Step 6: Final answer
    x = 16,235.44

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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.