Home / 21,606.05-29,830.11-17,636.60

Finding the Fourth Proportional to 21,606.05, 29,830.11 and 17,636.60

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Solution

The fourth proportional to 21,606.05, 29,830.11 and 17,636.60 is: 24,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.05 : 29,830.11 = 17,636.60 : x
  2. Step 2: Convert to fraction form
    21,606.05/29,830.11 = 17,636.60/x
  3. Step 3: Cross multiply
    21,606.05x = 29,830.11 × 17,636.60
  4. Step 4: Simplify right side
    21,606.05x = 526,101,718.03
  5. Step 5: Solve for x
    x = 526,101,718.03/21,606.05
  6. Step 6: Final answer
    x = 24,349.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.