Home / 27,486.62-37,931.55-14,911.42

Finding the Fourth Proportional to 27,486.62, 37,931.55 and 14,911.42

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Solution

The fourth proportional to 27,486.62, 37,931.55 and 14,911.42 is: 20,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.62 : 37,931.55 = 14,911.42 : x
  2. Step 2: Convert to fraction form
    27,486.62/37,931.55 = 14,911.42/x
  3. Step 3: Cross multiply
    27,486.62x = 37,931.55 × 14,911.42
  4. Step 4: Simplify right side
    27,486.62x = 565,613,273.30
  5. Step 5: Solve for x
    x = 565,613,273.30/27,486.62
  6. Step 6: Final answer
    x = 20,577.77

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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.