Home / 14,711.84-20,331.44-12,055.04

Finding the Fourth Proportional to 14,711.84, 20,331.44 and 12,055.04

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Solution

The fourth proportional to 14,711.84, 20,331.44 and 12,055.04 is: 16,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.84 : 20,331.44 = 12,055.04 : x
  2. Step 2: Convert to fraction form
    14,711.84/20,331.44 = 12,055.04/x
  3. Step 3: Cross multiply
    14,711.84x = 20,331.44 × 12,055.04
  4. Step 4: Simplify right side
    14,711.84x = 245,096,322.46
  5. Step 5: Solve for x
    x = 245,096,322.46/14,711.84
  6. Step 6: Final answer
    x = 16,659.80

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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.