Home / 19,646.15-27,110.16-11,580.48

Finding the Fourth Proportional to 19,646.15, 27,110.16 and 11,580.48

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Solution

The fourth proportional to 19,646.15, 27,110.16 and 11,580.48 is: 15,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.15 : 27,110.16 = 11,580.48 : x
  2. Step 2: Convert to fraction form
    19,646.15/27,110.16 = 11,580.48/x
  3. Step 3: Cross multiply
    19,646.15x = 27,110.16 × 11,580.48
  4. Step 4: Simplify right side
    19,646.15x = 313,948,665.68
  5. Step 5: Solve for x
    x = 313,948,665.68/19,646.15
  6. Step 6: Final answer
    x = 15,980.17

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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.