Home / 27,457.44-37,892.88-18,506.40

Finding the Fourth Proportional to 27,457.44, 37,892.88 and 18,506.40

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Solution

The fourth proportional to 27,457.44, 37,892.88 and 18,506.40 is: 25,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.44 : 37,892.88 = 18,506.40 : x
  2. Step 2: Convert to fraction form
    27,457.44/37,892.88 = 18,506.40/x
  3. Step 3: Cross multiply
    27,457.44x = 37,892.88 × 18,506.40
  4. Step 4: Simplify right side
    27,457.44x = 701,260,794.43
  5. Step 5: Solve for x
    x = 701,260,794.43/27,457.44
  6. Step 6: Final answer
    x = 25,539.92

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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.