Home / 16,931.08-23,365.22-10,132.09

Finding the Fourth Proportional to 16,931.08, 23,365.22 and 10,132.09

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Solution

The fourth proportional to 16,931.08, 23,365.22 and 10,132.09 is: 13,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.08 : 23,365.22 = 10,132.09 : x
  2. Step 2: Convert to fraction form
    16,931.08/23,365.22 = 10,132.09/x
  3. Step 3: Cross multiply
    16,931.08x = 23,365.22 × 10,132.09
  4. Step 4: Simplify right side
    16,931.08x = 236,738,511.91
  5. Step 5: Solve for x
    x = 236,738,511.91/16,931.08
  6. Step 6: Final answer
    x = 13,982.48

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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.