Home / 21,666.48-32,496.40-6,873.47

Finding the Fourth Proportional to 21,666.48, 32,496.40 and 6,873.47

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Solution

The fourth proportional to 21,666.48, 32,496.40 and 6,873.47 is: 10,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.48 : 32,496.40 = 6,873.47 : x
  2. Step 2: Convert to fraction form
    21,666.48/32,496.40 = 6,873.47/x
  3. Step 3: Cross multiply
    21,666.48x = 32,496.40 × 6,873.47
  4. Step 4: Simplify right side
    21,666.48x = 223,362,998.48
  5. Step 5: Solve for x
    x = 223,362,998.48/21,666.48
  6. Step 6: Final answer
    x = 10,309.15

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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.