Home / 19,975.64-29,936.72-9,448.46

Finding the Fourth Proportional to 19,975.64, 29,936.72 and 9,448.46

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Solution

The fourth proportional to 19,975.64, 29,936.72 and 9,448.46 is: 14,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.64 : 29,936.72 = 9,448.46 : x
  2. Step 2: Convert to fraction form
    19,975.64/29,936.72 = 9,448.46/x
  3. Step 3: Cross multiply
    19,975.64x = 29,936.72 × 9,448.46
  4. Step 4: Simplify right side
    19,975.64x = 282,855,901.45
  5. Step 5: Solve for x
    x = 282,855,901.45/19,975.64
  6. Step 6: Final answer
    x = 14,160.04

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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.