Home / 14,052.40-21,079.80-4,191.04

Finding the Fourth Proportional to 14,052.40, 21,079.80 and 4,191.04

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Solution

The fourth proportional to 14,052.40, 21,079.80 and 4,191.04 is: 6,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.40 : 21,079.80 = 4,191.04 : x
  2. Step 2: Convert to fraction form
    14,052.40/21,079.80 = 4,191.04/x
  3. Step 3: Cross multiply
    14,052.40x = 21,079.80 × 4,191.04
  4. Step 4: Simplify right side
    14,052.40x = 88,346,284.99
  5. Step 5: Solve for x
    x = 88,346,284.99/14,052.40
  6. Step 6: Final answer
    x = 6,286.92

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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.