Home / 19,842.08-27,382.08-11,458.64

Finding the Fourth Proportional to 19,842.08, 27,382.08 and 11,458.64

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Solution

The fourth proportional to 19,842.08, 27,382.08 and 11,458.64 is: 15,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.08 : 27,382.08 = 11,458.64 : x
  2. Step 2: Convert to fraction form
    19,842.08/27,382.08 = 11,458.64/x
  3. Step 3: Cross multiply
    19,842.08x = 27,382.08 × 11,458.64
  4. Step 4: Simplify right side
    19,842.08x = 313,761,397.17
  5. Step 5: Solve for x
    x = 313,761,397.17/19,842.08
  6. Step 6: Final answer
    x = 15,812.93

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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.