Home / 19,670.83-27,145.86-11,713.39

Finding the Fourth Proportional to 19,670.83, 27,145.86 and 11,713.39

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Solution

The fourth proportional to 19,670.83, 27,145.86 and 11,713.39 is: 16,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.83 : 27,145.86 = 11,713.39 : x
  2. Step 2: Convert to fraction form
    19,670.83/27,145.86 = 11,713.39/x
  3. Step 3: Cross multiply
    19,670.83x = 27,145.86 × 11,713.39
  4. Step 4: Simplify right side
    19,670.83x = 317,970,045.07
  5. Step 5: Solve for x
    x = 317,970,045.07/19,670.83
  6. Step 6: Final answer
    x = 16,164.55

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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.