Home / 18,590.32-27,904.92-13,665.52

Finding the Fourth Proportional to 18,590.32, 27,904.92 and 13,665.52

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Solution

The fourth proportional to 18,590.32, 27,904.92 and 13,665.52 is: 20,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.32 : 27,904.92 = 13,665.52 : x
  2. Step 2: Convert to fraction form
    18,590.32/27,904.92 = 13,665.52/x
  3. Step 3: Cross multiply
    18,590.32x = 27,904.92 × 13,665.52
  4. Step 4: Simplify right side
    18,590.32x = 381,335,242.36
  5. Step 5: Solve for x
    x = 381,335,242.36/18,590.32
  6. Step 6: Final answer
    x = 20,512.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.