Home / 19,971.52-27,561.59-11,476.39

Finding the Fourth Proportional to 19,971.52, 27,561.59 and 11,476.39

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Solution

The fourth proportional to 19,971.52, 27,561.59 and 11,476.39 is: 15,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.52 : 27,561.59 = 11,476.39 : x
  2. Step 2: Convert to fraction form
    19,971.52/27,561.59 = 11,476.39/x
  3. Step 3: Cross multiply
    19,971.52x = 27,561.59 × 11,476.39
  4. Step 4: Simplify right side
    19,971.52x = 316,307,555.86
  5. Step 5: Solve for x
    x = 316,307,555.86/19,971.52
  6. Step 6: Final answer
    x = 15,837.93

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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.