Home / 19,926.04-27,505.39-13,213.92

Finding the Fourth Proportional to 19,926.04, 27,505.39 and 13,213.92

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Solution

The fourth proportional to 19,926.04, 27,505.39 and 13,213.92 is: 18,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.04 : 27,505.39 = 13,213.92 : x
  2. Step 2: Convert to fraction form
    19,926.04/27,505.39 = 13,213.92/x
  3. Step 3: Cross multiply
    19,926.04x = 27,505.39 × 13,213.92
  4. Step 4: Simplify right side
    19,926.04x = 363,453,885.50
  5. Step 5: Solve for x
    x = 363,453,885.50/19,926.04
  6. Step 6: Final answer
    x = 18,240.15

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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.