Home / 14,872.41-20,524.86-9,827.78

Finding the Fourth Proportional to 14,872.41, 20,524.86 and 9,827.78

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Solution

The fourth proportional to 14,872.41, 20,524.86 and 9,827.78 is: 13,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.41 : 20,524.86 = 9,827.78 : x
  2. Step 2: Convert to fraction form
    14,872.41/20,524.86 = 9,827.78/x
  3. Step 3: Cross multiply
    14,872.41x = 20,524.86 × 9,827.78
  4. Step 4: Simplify right side
    14,872.41x = 201,713,705.99
  5. Step 5: Solve for x
    x = 201,713,705.99/14,872.41
  6. Step 6: Final answer
    x = 13,562.95

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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.