Home / 18,742.34-25,863.36-10,358.84

Finding the Fourth Proportional to 18,742.34, 25,863.36 and 10,358.84

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Solution

The fourth proportional to 18,742.34, 25,863.36 and 10,358.84 is: 14,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.34 : 25,863.36 = 10,358.84 : x
  2. Step 2: Convert to fraction form
    18,742.34/25,863.36 = 10,358.84/x
  3. Step 3: Cross multiply
    18,742.34x = 25,863.36 × 10,358.84
  4. Step 4: Simplify right side
    18,742.34x = 267,914,408.10
  5. Step 5: Solve for x
    x = 267,914,408.10/18,742.34
  6. Step 6: Final answer
    x = 14,294.61

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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.