Home / 14,241.12-21,272.88-10,550.55

Finding the Fourth Proportional to 14,241.12, 21,272.88 and 10,550.55

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Solution

The fourth proportional to 14,241.12, 21,272.88 and 10,550.55 is: 15,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.12 : 21,272.88 = 10,550.55 : x
  2. Step 2: Convert to fraction form
    14,241.12/21,272.88 = 10,550.55/x
  3. Step 3: Cross multiply
    14,241.12x = 21,272.88 × 10,550.55
  4. Step 4: Simplify right side
    14,241.12x = 224,440,644.08
  5. Step 5: Solve for x
    x = 224,440,644.08/14,241.12
  6. Step 6: Final answer
    x = 15,760.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.