Home / 14,179.26-21,281.18-14,146.45

Finding the Fourth Proportional to 14,179.26, 21,281.18 and 14,146.45

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Solution

The fourth proportional to 14,179.26, 21,281.18 and 14,146.45 is: 21,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.26 : 21,281.18 = 14,146.45 : x
  2. Step 2: Convert to fraction form
    14,179.26/21,281.18 = 14,146.45/x
  3. Step 3: Cross multiply
    14,179.26x = 21,281.18 × 14,146.45
  4. Step 4: Simplify right side
    14,179.26x = 301,053,224.16
  5. Step 5: Solve for x
    x = 301,053,224.16/14,179.26
  6. Step 6: Final answer
    x = 21,231.94

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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.