Home / 27,137.52-37,452.06-15,200.64

Finding the Fourth Proportional to 27,137.52, 37,452.06 and 15,200.64

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Solution

The fourth proportional to 27,137.52, 37,452.06 and 15,200.64 is: 20,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.52 : 37,452.06 = 15,200.64 : x
  2. Step 2: Convert to fraction form
    27,137.52/37,452.06 = 15,200.64/x
  3. Step 3: Cross multiply
    27,137.52x = 37,452.06 × 15,200.64
  4. Step 4: Simplify right side
    27,137.52x = 569,295,281.32
  5. Step 5: Solve for x
    x = 569,295,281.32/27,137.52
  6. Step 6: Final answer
    x = 20,978.16

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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.