Home / 21,717.34-32,580.14-7,482.04

Finding the Fourth Proportional to 21,717.34, 32,580.14 and 7,482.04

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Solution

The fourth proportional to 21,717.34, 32,580.14 and 7,482.04 is: 11,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.34 : 32,580.14 = 7,482.04 : x
  2. Step 2: Convert to fraction form
    21,717.34/32,580.14 = 7,482.04/x
  3. Step 3: Cross multiply
    21,717.34x = 32,580.14 × 7,482.04
  4. Step 4: Simplify right side
    21,717.34x = 243,765,910.69
  5. Step 5: Solve for x
    x = 243,765,910.69/21,717.34
  6. Step 6: Final answer
    x = 11,224.48

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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.