Home / 25,953.45-38,932.89-11,911.08

Finding the Fourth Proportional to 25,953.45, 38,932.89 and 11,911.08

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Solution

The fourth proportional to 25,953.45, 38,932.89 and 11,911.08 is: 17,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.45 : 38,932.89 = 11,911.08 : x
  2. Step 2: Convert to fraction form
    25,953.45/38,932.89 = 11,911.08/x
  3. Step 3: Cross multiply
    25,953.45x = 38,932.89 × 11,911.08
  4. Step 4: Simplify right side
    25,953.45x = 463,732,767.42
  5. Step 5: Solve for x
    x = 463,732,767.42/25,953.45
  6. Step 6: Final answer
    x = 17,867.87

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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.