Home / 27,396.08-37,825.08-17,980.64

Finding the Fourth Proportional to 27,396.08, 37,825.08 and 17,980.64

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Solution

The fourth proportional to 27,396.08, 37,825.08 and 17,980.64 is: 24,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.08 : 37,825.08 = 17,980.64 : x
  2. Step 2: Convert to fraction form
    27,396.08/37,825.08 = 17,980.64/x
  3. Step 3: Cross multiply
    27,396.08x = 37,825.08 × 17,980.64
  4. Step 4: Simplify right side
    27,396.08x = 680,119,146.45
  5. Step 5: Solve for x
    x = 680,119,146.45/27,396.08
  6. Step 6: Final answer
    x = 24,825.42

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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.