Home / 21,827.68-32,751.28-11,437.04

Finding the Fourth Proportional to 21,827.68, 32,751.28 and 11,437.04

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Solution

The fourth proportional to 21,827.68, 32,751.28 and 11,437.04 is: 17,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.68 : 32,751.28 = 11,437.04 : x
  2. Step 2: Convert to fraction form
    21,827.68/32,751.28 = 11,437.04/x
  3. Step 3: Cross multiply
    21,827.68x = 32,751.28 × 11,437.04
  4. Step 4: Simplify right side
    21,827.68x = 374,577,699.41
  5. Step 5: Solve for x
    x = 374,577,699.41/21,827.68
  6. Step 6: Final answer
    x = 17,160.67

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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.