Home / 27,271.10-37,636.17-15,173.12

Finding the Fourth Proportional to 27,271.10, 37,636.17 and 15,173.12

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Solution

The fourth proportional to 27,271.10, 37,636.17 and 15,173.12 is: 20,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.10 : 37,636.17 = 15,173.12 : x
  2. Step 2: Convert to fraction form
    27,271.10/37,636.17 = 15,173.12/x
  3. Step 3: Cross multiply
    27,271.10x = 37,636.17 × 15,173.12
  4. Step 4: Simplify right side
    27,271.10x = 571,058,123.75
  5. Step 5: Solve for x
    x = 571,058,123.75/27,271.10
  6. Step 6: Final answer
    x = 20,940.05

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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.