Home / 14,130.12-21,194.49-5,808.06

Finding the Fourth Proportional to 14,130.12, 21,194.49 and 5,808.06

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Solution

The fourth proportional to 14,130.12, 21,194.49 and 5,808.06 is: 8,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.12 : 21,194.49 = 5,808.06 : x
  2. Step 2: Convert to fraction form
    14,130.12/21,194.49 = 5,808.06/x
  3. Step 3: Cross multiply
    14,130.12x = 21,194.49 × 5,808.06
  4. Step 4: Simplify right side
    14,130.12x = 123,098,869.59
  5. Step 5: Solve for x
    x = 123,098,869.59/14,130.12
  6. Step 6: Final answer
    x = 8,711.81

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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.