Home / 16,721.98-25,080.92-9,705.81

Finding the Fourth Proportional to 16,721.98, 25,080.92 and 9,705.81

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Solution

The fourth proportional to 16,721.98, 25,080.92 and 9,705.81 is: 14,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.98 : 25,080.92 = 9,705.81 : x
  2. Step 2: Convert to fraction form
    16,721.98/25,080.92 = 9,705.81/x
  3. Step 3: Cross multiply
    16,721.98x = 25,080.92 × 9,705.81
  4. Step 4: Simplify right side
    16,721.98x = 243,430,644.15
  5. Step 5: Solve for x
    x = 243,430,644.15/16,721.98
  6. Step 6: Final answer
    x = 14,557.53

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1.5x scale

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.