Home / 21,282.58-29,373.46-16,237.28

Finding the Fourth Proportional to 21,282.58, 29,373.46 and 16,237.28

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Solution

The fourth proportional to 21,282.58, 29,373.46 and 16,237.28 is: 22,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.58 : 29,373.46 = 16,237.28 : x
  2. Step 2: Convert to fraction form
    21,282.58/29,373.46 = 16,237.28/x
  3. Step 3: Cross multiply
    21,282.58x = 29,373.46 × 16,237.28
  4. Step 4: Simplify right side
    21,282.58x = 476,945,094.59
  5. Step 5: Solve for x
    x = 476,945,094.59/21,282.58
  6. Step 6: Final answer
    x = 22,410.12

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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.