Home / 21,891.16-32,873.90-14,305.01

Finding the Fourth Proportional to 21,891.16, 32,873.90 and 14,305.01

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Solution

The fourth proportional to 21,891.16, 32,873.90 and 14,305.01 is: 21,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,891.16 : 32,873.90 = 14,305.01 : x
  2. Step 2: Convert to fraction form
    21,891.16/32,873.90 = 14,305.01/x
  3. Step 3: Cross multiply
    21,891.16x = 32,873.90 × 14,305.01
  4. Step 4: Simplify right side
    21,891.16x = 470,261,312.81
  5. Step 5: Solve for x
    x = 470,261,312.81/21,891.16
  6. Step 6: Final answer
    x = 21,481.79

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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.