Home / 27,701.33-41,565.89-12,911.40

Finding the Fourth Proportional to 27,701.33, 41,565.89 and 12,911.40

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Solution

The fourth proportional to 27,701.33, 41,565.89 and 12,911.40 is: 19,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.33 : 41,565.89 = 12,911.40 : x
  2. Step 2: Convert to fraction form
    27,701.33/41,565.89 = 12,911.40/x
  3. Step 3: Cross multiply
    27,701.33x = 41,565.89 × 12,911.40
  4. Step 4: Simplify right side
    27,701.33x = 536,673,864.42
  5. Step 5: Solve for x
    x = 536,673,864.42/27,701.33
  6. Step 6: Final answer
    x = 19,373.58

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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.