Home / 14,672.04-21,991.52-7,281.80

Finding the Fourth Proportional to 14,672.04, 21,991.52 and 7,281.80

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Solution

The fourth proportional to 14,672.04, 21,991.52 and 7,281.80 is: 10,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.04 : 21,991.52 = 7,281.80 : x
  2. Step 2: Convert to fraction form
    14,672.04/21,991.52 = 7,281.80/x
  3. Step 3: Cross multiply
    14,672.04x = 21,991.52 × 7,281.80
  4. Step 4: Simplify right side
    14,672.04x = 160,137,850.34
  5. Step 5: Solve for x
    x = 160,137,850.34/14,672.04
  6. Step 6: Final answer
    x = 10,914.49

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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.