Home / 27,260.35-37,619.64-15,322.99

Finding the Fourth Proportional to 27,260.35, 37,619.64 and 15,322.99

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Solution

The fourth proportional to 27,260.35, 37,619.64 and 15,322.99 is: 21,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,260.35 : 37,619.64 = 15,322.99 : x
  2. Step 2: Convert to fraction form
    27,260.35/37,619.64 = 15,322.99/x
  3. Step 3: Cross multiply
    27,260.35x = 37,619.64 × 15,322.99
  4. Step 4: Simplify right side
    27,260.35x = 576,445,367.52
  5. Step 5: Solve for x
    x = 576,445,367.52/27,260.35
  6. Step 6: Final answer
    x = 21,145.93

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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.