Home / 30,682.11-42,340.46-17,253.01

Finding the Fourth Proportional to 30,682.11, 42,340.46 and 17,253.01

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Solution

The fourth proportional to 30,682.11, 42,340.46 and 17,253.01 is: 23,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682.11 : 42,340.46 = 17,253.01 : x
  2. Step 2: Convert to fraction form
    30,682.11/42,340.46 = 17,253.01/x
  3. Step 3: Cross multiply
    30,682.11x = 42,340.46 × 17,253.01
  4. Step 4: Simplify right side
    30,682.11x = 730,500,379.78
  5. Step 5: Solve for x
    x = 730,500,379.78/30,682.11
  6. Step 6: Final answer
    x = 23,808.67

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Double scale
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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.