Home / 27,140.86-40,719.58-13,101.37

Finding the Fourth Proportional to 27,140.86, 40,719.58 and 13,101.37

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Solution

The fourth proportional to 27,140.86, 40,719.58 and 13,101.37 is: 19,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.86 : 40,719.58 = 13,101.37 : x
  2. Step 2: Convert to fraction form
    27,140.86/40,719.58 = 13,101.37/x
  3. Step 3: Cross multiply
    27,140.86x = 40,719.58 × 13,101.37
  4. Step 4: Simplify right side
    27,140.86x = 533,482,149.27
  5. Step 5: Solve for x
    x = 533,482,149.27/27,140.86
  6. Step 6: Final answer
    x = 19,656.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.