Home / 16,683.13-25,031.67-7,318.30

Finding the Fourth Proportional to 16,683.13, 25,031.67 and 7,318.30

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Solution

The fourth proportional to 16,683.13, 25,031.67 and 7,318.30 is: 10,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.13 : 25,031.67 = 7,318.30 : x
  2. Step 2: Convert to fraction form
    16,683.13/25,031.67 = 7,318.30/x
  3. Step 3: Cross multiply
    16,683.13x = 25,031.67 × 7,318.30
  4. Step 4: Simplify right side
    16,683.13x = 183,189,270.56
  5. Step 5: Solve for x
    x = 183,189,270.56/16,683.13
  6. Step 6: Final answer
    x = 10,980.51

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1.5x scale

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.