Home / 16,721.70-25,084.85-9,705.01

Finding the Fourth Proportional to 16,721.70, 25,084.85 and 9,705.01

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Solution

The fourth proportional to 16,721.70, 25,084.85 and 9,705.01 is: 14,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.70 : 25,084.85 = 9,705.01 : x
  2. Step 2: Convert to fraction form
    16,721.70/25,084.85 = 9,705.01/x
  3. Step 3: Cross multiply
    16,721.70x = 25,084.85 × 9,705.01
  4. Step 4: Simplify right side
    16,721.70x = 243,448,655.90
  5. Step 5: Solve for x
    x = 243,448,655.90/16,721.70
  6. Step 6: Final answer
    x = 14,558.85

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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.