Home / 14,002.68-21,100.04-11,591.60

Finding the Fourth Proportional to 14,002.68, 21,100.04 and 11,591.60

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Solution

The fourth proportional to 14,002.68, 21,100.04 and 11,591.60 is: 17,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.68 : 21,100.04 = 11,591.60 : x
  2. Step 2: Convert to fraction form
    14,002.68/21,100.04 = 11,591.60/x
  3. Step 3: Cross multiply
    14,002.68x = 21,100.04 × 11,591.60
  4. Step 4: Simplify right side
    14,002.68x = 244,583,223.66
  5. Step 5: Solve for x
    x = 244,583,223.66/14,002.68
  6. Step 6: Final answer
    x = 17,466.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.