Home / 19,910.63-27,480.32-11,527.13

Finding the Fourth Proportional to 19,910.63, 27,480.32 and 11,527.13

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Solution

The fourth proportional to 19,910.63, 27,480.32 and 11,527.13 is: 15,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.63 : 27,480.32 = 11,527.13 : x
  2. Step 2: Convert to fraction form
    19,910.63/27,480.32 = 11,527.13/x
  3. Step 3: Cross multiply
    19,910.63x = 27,480.32 × 11,527.13
  4. Step 4: Simplify right side
    19,910.63x = 316,769,026.04
  5. Step 5: Solve for x
    x = 316,769,026.04/19,910.63
  6. Step 6: Final answer
    x = 15,909.55

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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.