Home / 19,945.52-27,509.10-18,604.16

Finding the Fourth Proportional to 19,945.52, 27,509.10 and 18,604.16

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Solution

The fourth proportional to 19,945.52, 27,509.10 and 18,604.16 is: 25,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.52 : 27,509.10 = 18,604.16 : x
  2. Step 2: Convert to fraction form
    19,945.52/27,509.10 = 18,604.16/x
  3. Step 3: Cross multiply
    19,945.52x = 27,509.10 × 18,604.16
  4. Step 4: Simplify right side
    19,945.52x = 511,783,697.86
  5. Step 5: Solve for x
    x = 511,783,697.86/19,945.52
  6. Step 6: Final answer
    x = 25,659.08

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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.