Home / 14,174.90-21,264.60-4,815.80

Finding the Fourth Proportional to 14,174.90, 21,264.60 and 4,815.80

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Solution

The fourth proportional to 14,174.90, 21,264.60 and 4,815.80 is: 7,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.90 : 21,264.60 = 4,815.80 : x
  2. Step 2: Convert to fraction form
    14,174.90/21,264.60 = 4,815.80/x
  3. Step 3: Cross multiply
    14,174.90x = 21,264.60 × 4,815.80
  4. Step 4: Simplify right side
    14,174.90x = 102,406,060.68
  5. Step 5: Solve for x
    x = 102,406,060.68/14,174.90
  6. Step 6: Final answer
    x = 7,224.46

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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.