Home / 21,349.94-29,454.45-14,265.14

Finding the Fourth Proportional to 21,349.94, 29,454.45 and 14,265.14

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Solution

The fourth proportional to 21,349.94, 29,454.45 and 14,265.14 is: 19,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.94 : 29,454.45 = 14,265.14 : x
  2. Step 2: Convert to fraction form
    21,349.94/29,454.45 = 14,265.14/x
  3. Step 3: Cross multiply
    21,349.94x = 29,454.45 × 14,265.14
  4. Step 4: Simplify right side
    21,349.94x = 420,171,852.87
  5. Step 5: Solve for x
    x = 420,171,852.87/21,349.94
  6. Step 6: Final answer
    x = 19,680.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.