Home / 18,446.63-25,457.54-10,489.59

Finding the Fourth Proportional to 18,446.63, 25,457.54 and 10,489.59

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Solution

The fourth proportional to 18,446.63, 25,457.54 and 10,489.59 is: 14,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.63 : 25,457.54 = 10,489.59 : x
  2. Step 2: Convert to fraction form
    18,446.63/25,457.54 = 10,489.59/x
  3. Step 3: Cross multiply
    18,446.63x = 25,457.54 × 10,489.59
  4. Step 4: Simplify right side
    18,446.63x = 267,039,104.56
  5. Step 5: Solve for x
    x = 267,039,104.56/18,446.63
  6. Step 6: Final answer
    x = 14,476.31

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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.