Home / 27,121.40-37,423.06-17,042.69

Finding the Fourth Proportional to 27,121.40, 37,423.06 and 17,042.69

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Solution

The fourth proportional to 27,121.40, 37,423.06 and 17,042.69 is: 23,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.40 : 37,423.06 = 17,042.69 : x
  2. Step 2: Convert to fraction form
    27,121.40/37,423.06 = 17,042.69/x
  3. Step 3: Cross multiply
    27,121.40x = 37,423.06 × 17,042.69
  4. Step 4: Simplify right side
    27,121.40x = 637,789,661.38
  5. Step 5: Solve for x
    x = 637,789,661.38/27,121.40
  6. Step 6: Final answer
    x = 23,516.11

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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.