Home / 14,535.40-21,774.30-8,674.60

Finding the Fourth Proportional to 14,535.40, 21,774.30 and 8,674.60

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Solution

The fourth proportional to 14,535.40, 21,774.30 and 8,674.60 is: 12,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.40 : 21,774.30 = 8,674.60 : x
  2. Step 2: Convert to fraction form
    14,535.40/21,774.30 = 8,674.60/x
  3. Step 3: Cross multiply
    14,535.40x = 21,774.30 × 8,674.60
  4. Step 4: Simplify right side
    14,535.40x = 188,883,342.78
  5. Step 5: Solve for x
    x = 188,883,342.78/14,535.40
  6. Step 6: Final answer
    x = 12,994.71

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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.