Home / 27,140.77-37,455.11-15,201.37

Finding the Fourth Proportional to 27,140.77, 37,455.11 and 15,201.37

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Solution

The fourth proportional to 27,140.77, 37,455.11 and 15,201.37 is: 20,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.77 : 37,455.11 = 15,201.37 : x
  2. Step 2: Convert to fraction form
    27,140.77/37,455.11 = 15,201.37/x
  3. Step 3: Cross multiply
    27,140.77x = 37,455.11 × 15,201.37
  4. Step 4: Simplify right side
    27,140.77x = 569,368,985.50
  5. Step 5: Solve for x
    x = 569,368,985.50/27,140.77
  6. Step 6: Final answer
    x = 20,978.37

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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.