Home / 27,065.94-37,346.43-15,129.37

Finding the Fourth Proportional to 27,065.94, 37,346.43 and 15,129.37

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Solution

The fourth proportional to 27,065.94, 37,346.43 and 15,129.37 is: 20,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.94 : 37,346.43 = 15,129.37 : x
  2. Step 2: Convert to fraction form
    27,065.94/37,346.43 = 15,129.37/x
  3. Step 3: Cross multiply
    27,065.94x = 37,346.43 × 15,129.37
  4. Step 4: Simplify right side
    27,065.94x = 565,027,957.65
  5. Step 5: Solve for x
    x = 565,027,957.65/27,065.94
  6. Step 6: Final answer
    x = 20,875.98

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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.