Home / 27,671.80-38,141.56-19,608.16

Finding the Fourth Proportional to 27,671.80, 38,141.56 and 19,608.16

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Solution

The fourth proportional to 27,671.80, 38,141.56 and 19,608.16 is: 27,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.80 : 38,141.56 = 19,608.16 : x
  2. Step 2: Convert to fraction form
    27,671.80/38,141.56 = 19,608.16/x
  3. Step 3: Cross multiply
    27,671.80x = 38,141.56 × 19,608.16
  4. Step 4: Simplify right side
    27,671.80x = 747,885,811.13
  5. Step 5: Solve for x
    x = 747,885,811.13/27,671.80
  6. Step 6: Final answer
    x = 27,027.00

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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.