Home / 19,580.48-27,019.56-11,081.84

Finding the Fourth Proportional to 19,580.48, 27,019.56 and 11,081.84

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Solution

The fourth proportional to 19,580.48, 27,019.56 and 11,081.84 is: 15,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.48 : 27,019.56 = 11,081.84 : x
  2. Step 2: Convert to fraction form
    19,580.48/27,019.56 = 11,081.84/x
  3. Step 3: Cross multiply
    19,580.48x = 27,019.56 × 11,081.84
  4. Step 4: Simplify right side
    19,580.48x = 299,426,440.79
  5. Step 5: Solve for x
    x = 299,426,440.79/19,580.48
  6. Step 6: Final answer
    x = 15,292.09

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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.