Home / 14,166.40-21,217.20-7,232.80

Finding the Fourth Proportional to 14,166.40, 21,217.20 and 7,232.80

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Solution

The fourth proportional to 14,166.40, 21,217.20 and 7,232.80 is: 10,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.40 : 21,217.20 = 7,232.80 : x
  2. Step 2: Convert to fraction form
    14,166.40/21,217.20 = 7,232.80/x
  3. Step 3: Cross multiply
    14,166.40x = 21,217.20 × 7,232.80
  4. Step 4: Simplify right side
    14,166.40x = 153,459,764.16
  5. Step 5: Solve for x
    x = 153,459,764.16/14,166.40
  6. Step 6: Final answer
    x = 10,832.66

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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.