Home / 21,663.04-32,480.55-14,245.03

Finding the Fourth Proportional to 21,663.04, 32,480.55 and 14,245.03

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Solution

The fourth proportional to 21,663.04, 32,480.55 and 14,245.03 is: 21,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.04 : 32,480.55 = 14,245.03 : x
  2. Step 2: Convert to fraction form
    21,663.04/32,480.55 = 14,245.03/x
  3. Step 3: Cross multiply
    21,663.04x = 32,480.55 × 14,245.03
  4. Step 4: Simplify right side
    21,663.04x = 462,686,409.17
  5. Step 5: Solve for x
    x = 462,686,409.17/21,663.04
  6. Step 6: Final answer
    x = 21,358.33

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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.