Home / 14,174.96-21,344.79-10,503.20

Finding the Fourth Proportional to 14,174.96, 21,344.79 and 10,503.20

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Solution

The fourth proportional to 14,174.96, 21,344.79 and 10,503.20 is: 15,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.96 : 21,344.79 = 10,503.20 : x
  2. Step 2: Convert to fraction form
    14,174.96/21,344.79 = 10,503.20/x
  3. Step 3: Cross multiply
    14,174.96x = 21,344.79 × 10,503.20
  4. Step 4: Simplify right side
    14,174.96x = 224,188,598.33
  5. Step 5: Solve for x
    x = 224,188,598.33/14,174.96
  6. Step 6: Final answer
    x = 15,815.82

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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.