Home / 19,614.26-27,064.86-11,543.12

Finding the Fourth Proportional to 19,614.26, 27,064.86 and 11,543.12

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Solution

The fourth proportional to 19,614.26, 27,064.86 and 11,543.12 is: 15,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.26 : 27,064.86 = 11,543.12 : x
  2. Step 2: Convert to fraction form
    19,614.26/27,064.86 = 11,543.12/x
  3. Step 3: Cross multiply
    19,614.26x = 27,064.86 × 11,543.12
  4. Step 4: Simplify right side
    19,614.26x = 312,412,926.76
  5. Step 5: Solve for x
    x = 312,412,926.76/19,614.26
  6. Step 6: Final answer
    x = 15,927.85

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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.