Home / 27,795.76-38,364.90-17,179

Finding the Fourth Proportional to 27,795.76, 38,364.90 and 17,179

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Solution

The fourth proportional to 27,795.76, 38,364.90 and 17,179 is: 23,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.76 : 38,364.90 = 17,179 : x
  2. Step 2: Convert to fraction form
    27,795.76/38,364.90 = 17,179/x
  3. Step 3: Cross multiply
    27,795.76x = 38,364.90 × 17,179
  4. Step 4: Simplify right side
    27,795.76x = 659,070,617.10
  5. Step 5: Solve for x
    x = 659,070,617.10/27,795.76
  6. Step 6: Final answer
    x = 23,711.19

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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.