Home / 21,460.41-32,190.01-5,878.04

Finding the Fourth Proportional to 21,460.41, 32,190.01 and 5,878.04

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Solution

The fourth proportional to 21,460.41, 32,190.01 and 5,878.04 is: 8,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.41 : 32,190.01 = 5,878.04 : x
  2. Step 2: Convert to fraction form
    21,460.41/32,190.01 = 5,878.04/x
  3. Step 3: Cross multiply
    21,460.41x = 32,190.01 × 5,878.04
  4. Step 4: Simplify right side
    21,460.41x = 189,213,990.74
  5. Step 5: Solve for x
    x = 189,213,990.74/21,460.41
  6. Step 6: Final answer
    x = 8,816.89

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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.