Home / 14,494.10-21,755.55-7,106.90

Finding the Fourth Proportional to 14,494.10, 21,755.55 and 7,106.90

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Solution

The fourth proportional to 14,494.10, 21,755.55 and 7,106.90 is: 10,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.10 : 21,755.55 = 7,106.90 : x
  2. Step 2: Convert to fraction form
    14,494.10/21,755.55 = 7,106.90/x
  3. Step 3: Cross multiply
    14,494.10x = 21,755.55 × 7,106.90
  4. Step 4: Simplify right side
    14,494.10x = 154,614,518.30
  5. Step 5: Solve for x
    x = 154,614,518.30/14,494.10
  6. Step 6: Final answer
    x = 10,667.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.