Home / 14,235.04-21,343.72-5,920.88

Finding the Fourth Proportional to 14,235.04, 21,343.72 and 5,920.88

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Solution

The fourth proportional to 14,235.04, 21,343.72 and 5,920.88 is: 8,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.04 : 21,343.72 = 5,920.88 : x
  2. Step 2: Convert to fraction form
    14,235.04/21,343.72 = 5,920.88/x
  3. Step 3: Cross multiply
    14,235.04x = 21,343.72 × 5,920.88
  4. Step 4: Simplify right side
    14,235.04x = 126,373,604.87
  5. Step 5: Solve for x
    x = 126,373,604.87/14,235.04
  6. Step 6: Final answer
    x = 8,877.64

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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.