Home / 27,590.94-38,065.62-18,518.52

Finding the Fourth Proportional to 27,590.94, 38,065.62 and 18,518.52

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Solution

The fourth proportional to 27,590.94, 38,065.62 and 18,518.52 is: 25,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.94 : 38,065.62 = 18,518.52 : x
  2. Step 2: Convert to fraction form
    27,590.94/38,065.62 = 18,518.52/x
  3. Step 3: Cross multiply
    27,590.94x = 38,065.62 × 18,518.52
  4. Step 4: Simplify right side
    27,590.94x = 704,918,945.28
  5. Step 5: Solve for x
    x = 704,918,945.28/27,590.94
  6. Step 6: Final answer
    x = 25,548.93

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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.