Home / 14,257.89-21,390.48-5,935.14

Finding the Fourth Proportional to 14,257.89, 21,390.48 and 5,935.14

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Solution

The fourth proportional to 14,257.89, 21,390.48 and 5,935.14 is: 8,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.89 : 21,390.48 = 5,935.14 : x
  2. Step 2: Convert to fraction form
    14,257.89/21,390.48 = 5,935.14/x
  3. Step 3: Cross multiply
    14,257.89x = 21,390.48 × 5,935.14
  4. Step 4: Simplify right side
    14,257.89x = 126,955,493.47
  5. Step 5: Solve for x
    x = 126,955,493.47/14,257.89
  6. Step 6: Final answer
    x = 8,904.23

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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.