Home / 19,618.86-27,070.14-11,005.32

Finding the Fourth Proportional to 19,618.86, 27,070.14 and 11,005.32

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Solution

The fourth proportional to 19,618.86, 27,070.14 and 11,005.32 is: 15,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.86 : 27,070.14 = 11,005.32 : x
  2. Step 2: Convert to fraction form
    19,618.86/27,070.14 = 11,005.32/x
  3. Step 3: Cross multiply
    19,618.86x = 27,070.14 × 11,005.32
  4. Step 4: Simplify right side
    19,618.86x = 297,915,553.14
  5. Step 5: Solve for x
    x = 297,915,553.14/19,618.86
  6. Step 6: Final answer
    x = 15,185.16

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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.