Home / 25,671.12-35,426.64-14,493.12

Finding the Fourth Proportional to 25,671.12, 35,426.64 and 14,493.12

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Solution

The fourth proportional to 25,671.12, 35,426.64 and 14,493.12 is: 20,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.12 : 35,426.64 = 14,493.12 : x
  2. Step 2: Convert to fraction form
    25,671.12/35,426.64 = 14,493.12/x
  3. Step 3: Cross multiply
    25,671.12x = 35,426.64 × 14,493.12
  4. Step 4: Simplify right side
    25,671.12x = 513,442,544.72
  5. Step 5: Solve for x
    x = 513,442,544.72/25,671.12
  6. Step 6: Final answer
    x = 20,000.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.