Home / 19,887.74-29,796.50-10,507.04

Finding the Fourth Proportional to 19,887.74, 29,796.50 and 10,507.04

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Solution

The fourth proportional to 19,887.74, 29,796.50 and 10,507.04 is: 15,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.74 : 29,796.50 = 10,507.04 : x
  2. Step 2: Convert to fraction form
    19,887.74/29,796.50 = 10,507.04/x
  3. Step 3: Cross multiply
    19,887.74x = 29,796.50 × 10,507.04
  4. Step 4: Simplify right side
    19,887.74x = 313,072,815.84
  5. Step 5: Solve for x
    x = 313,072,815.84/19,887.74
  6. Step 6: Final answer
    x = 15,742.00

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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.