Home / 14,774.56-20,392.18-9,395.96

Finding the Fourth Proportional to 14,774.56, 20,392.18 and 9,395.96

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Solution

The fourth proportional to 14,774.56, 20,392.18 and 9,395.96 is: 12,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.56 : 20,392.18 = 9,395.96 : x
  2. Step 2: Convert to fraction form
    14,774.56/20,392.18 = 9,395.96/x
  3. Step 3: Cross multiply
    14,774.56x = 20,392.18 × 9,395.96
  4. Step 4: Simplify right side
    14,774.56x = 191,603,982.14
  5. Step 5: Solve for x
    x = 191,603,982.14/14,774.56
  6. Step 6: Final answer
    x = 12,968.51

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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.