Home / 27,684.04-38,192.34-19,305.40

Finding the Fourth Proportional to 27,684.04, 38,192.34 and 19,305.40

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Solution

The fourth proportional to 27,684.04, 38,192.34 and 19,305.40 is: 26,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.04 : 38,192.34 = 19,305.40 : x
  2. Step 2: Convert to fraction form
    27,684.04/38,192.34 = 19,305.40/x
  3. Step 3: Cross multiply
    27,684.04x = 38,192.34 × 19,305.40
  4. Step 4: Simplify right side
    27,684.04x = 737,318,400.64
  5. Step 5: Solve for x
    x = 737,318,400.64/27,684.04
  6. Step 6: Final answer
    x = 26,633.34

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Half scale
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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.