Home / 22,172.46-30,587.43-15,004.89

Finding the Fourth Proportional to 22,172.46, 30,587.43 and 15,004.89

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Solution

The fourth proportional to 22,172.46, 30,587.43 and 15,004.89 is: 20,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.46 : 30,587.43 = 15,004.89 : x
  2. Step 2: Convert to fraction form
    22,172.46/30,587.43 = 15,004.89/x
  3. Step 3: Cross multiply
    22,172.46x = 30,587.43 × 15,004.89
  4. Step 4: Simplify right side
    22,172.46x = 458,961,022.53
  5. Step 5: Solve for x
    x = 458,961,022.53/22,172.46
  6. Step 6: Final answer
    x = 20,699.60

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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.