Home / 16,772.40-25,165.53-8,447.94

Finding the Fourth Proportional to 16,772.40, 25,165.53 and 8,447.94

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Solution

The fourth proportional to 16,772.40, 25,165.53 and 8,447.94 is: 12,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.40 : 25,165.53 = 8,447.94 : x
  2. Step 2: Convert to fraction form
    16,772.40/25,165.53 = 8,447.94/x
  3. Step 3: Cross multiply
    16,772.40x = 25,165.53 × 8,447.94
  4. Step 4: Simplify right side
    16,772.40x = 212,596,887.51
  5. Step 5: Solve for x
    x = 212,596,887.51/16,772.40
  6. Step 6: Final answer
    x = 12,675.40

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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.