Home / 27,925.09-38,542.71-17,179.21

Finding the Fourth Proportional to 27,925.09, 38,542.71 and 17,179.21

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Solution

The fourth proportional to 27,925.09, 38,542.71 and 17,179.21 is: 23,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.09 : 38,542.71 = 17,179.21 : x
  2. Step 2: Convert to fraction form
    27,925.09/38,542.71 = 17,179.21/x
  3. Step 3: Cross multiply
    27,925.09x = 38,542.71 × 17,179.21
  4. Step 4: Simplify right side
    27,925.09x = 662,133,309.06
  5. Step 5: Solve for x
    x = 662,133,309.06/27,925.09
  6. Step 6: Final answer
    x = 23,711.05

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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.