Home / 21,572.87-29,759.14-14,846.82

Finding the Fourth Proportional to 21,572.87, 29,759.14 and 14,846.82

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Solution

The fourth proportional to 21,572.87, 29,759.14 and 14,846.82 is: 20,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.87 : 29,759.14 = 14,846.82 : x
  2. Step 2: Convert to fraction form
    21,572.87/29,759.14 = 14,846.82/x
  3. Step 3: Cross multiply
    21,572.87x = 29,759.14 × 14,846.82
  4. Step 4: Simplify right side
    21,572.87x = 441,828,446.22
  5. Step 5: Solve for x
    x = 441,828,446.22/21,572.87
  6. Step 6: Final answer
    x = 20,480.75

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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.