Home / 14,134.59-21,187.13-4,771.38

Finding the Fourth Proportional to 14,134.59, 21,187.13 and 4,771.38

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Solution

The fourth proportional to 14,134.59, 21,187.13 and 4,771.38 is: 7,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.59 : 21,187.13 = 4,771.38 : x
  2. Step 2: Convert to fraction form
    14,134.59/21,187.13 = 4,771.38/x
  3. Step 3: Cross multiply
    14,134.59x = 21,187.13 × 4,771.38
  4. Step 4: Simplify right side
    14,134.59x = 101,091,824.48
  5. Step 5: Solve for x
    x = 101,091,824.48/14,134.59
  6. Step 6: Final answer
    x = 7,152.09

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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.